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494 results on '"Yamamoto, Shun"'

2. Safety and Efficacy of Conversion Therapy After Systemic Chemotherapy in Advanced Esophageal Cancer with Distant Metastases: A Multicenter Retrospective Observational Study

Author

Tsuji, Takayuki, Matsuda, Satoru, Sato, Yuta, Tanaka, Koji, Sasaki, Ken, Watanabe, Masaya, Hamai, Yoichi, Nasu, Motomi, Saze, Zenichiro, Nakashima, Yuichiro, Nomura, Motoo, Yamamoto, Shun, Booka, Eisuke, Ishiyama, Koshiro, Bamba, Takeo, Sakanaka, Katsuyuki, Tsushima, Takahiro, Takeuchi, Hiroya, Kato, Ken, and Kawakubo, Hirofumi

Published
2024
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3. Defining the clinical benefits of adding a neurokinin-1 receptor antagonist to control chemotherapy-induced nausea and vomiting in moderately emetogenic chemotherapy: a systematic review and meta-analysis of the clinical practice guidelines for antiemesis 2023 from the Japan society of clinical oncology

Author

Hayashi, Toshinobu, Yamamoto, Shun, Miyata, Yoshiharu, Takeda, Masayuki, Abe, Masakazu, Wada, Makoto, Iino, Keiko, Akechi, Tatsuo, Imamura, Chiyo K., Okuyama, Ayako, Ozawa, Keiko, Kim, Yong-Il, Sasaki, Hidenori, Satomi, Eriko, Tanaka, Ryuhei, Nakajima, Takako Eguchi, Nakamura, Naoki, Nishimura, Junichi, Noda, Mayumi, Hayashi, Kazumi, Higashi, Takahiro, Boku, Narikazu, Matsumoto, Koji, Matsumoto, Yoko, Okita, Kenji, Yamamoto, Nobuyuki, Aogi, Kenjiro, and Iihara, Hirotoshi

Published
2024
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6. Hemisphere-averaged Hellings-Downs curve between pulsar pairs for a gravitational wave source

Author

Sasaki, Tatsuya, Yamauchi, Kohei, Yamamoto, Shun, and Asada, Hideki

Subjects
General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena
Abstract

The Hellings-Downs (HD) curve plays a crucial role in search for nano-hertz gravitational waves (GWs) with pulsar timing arrays. We discuss the angular pattern of correlations for pulsar pairs within a celestial hemisphere. The hemisphere-averaged correlation curve depends upon the sky location of a GW compact source like a binary of supermassive black holes. If a single source is dominant, the variation in the hemisphere-averaged angular correlation is greatest when the hemisphere has its North Pole at the sky location of the GW source. Possible GW amplitude and source distance relevant to the current PTAs by using the hemisphere-averaged correlation are also studied., Comment: 6 pages, 6 figures, GW amplitude and source distance added, figures 3 and 4 updated, accepted for PRD

Published
2023
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8. Clinical practice guidelines for esophagogastric junction cancer: Upper GI Oncology Summit 2023

Author

Kitagawa, Yuko, Matsuda, Satoru, Gotoda, Takuji, Kato, Ken, Wijnhoven, Bas, Lordick, Florian, Bhandari, Pradeep, Kawakubo, Hirofumi, Kodera, Yasuhiro, Terashima, Masanori, Muro, Kei, Takeuchi, Hiroya, Mansfield, Paul F., Kurokawa, Yukinori, So, Jimmy, Mönig, Stefan Paul, Shitara, Kohei, Rha, Sun Young, Janjigian, Yelena, Takahari, Daisuke, Chau, Ian, Sharma, Prateek, Ji, Jiafu, de Manzoni, Giovanni, Nilsson, Magnus, Kassab, Paulo, Hofstetter, Wayne L., Smyth, Elizabeth Catherine, Lorenzen, Sylvie, Doki, Yuichiro, Law, Simon, Oh, Do-Youn, Ho, Khek Yu, Koike, Tomoyuki, Shen, Lin, van Hillegersberg, Richard, Kawakami, Hisato, Xu, Rui-Hua, Wainberg, Zev, Yahagi, Naohisa, Lee, Yeong Yeh, Singh, Rajvinder, Ryu, Min-Hee, Ishihara, Ryu, Xiao, Zili, Kusano, Chika, Grabsch, Heike Irmgard, Hara, Hiroki, Mukaisho, Ken-ichi, Makino, Tomoki, Kanda, Mitsuro, Booka, Eisuke, Suzuki, Sho, Hatta, Waku, Kato, Motohiko, Maekawa, Akira, Kawazoe, Akihito, Yamamoto, Shun, Nakayama, Izuma, Narita, Yukiya, Yang, Han-Kwang, Yoshida, Masahiro, and Sano, Takeshi

Published
2024
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22. Comparison of various methods to extract ringdown frequency from gravitational wave data

Author

Nakano, Hiroyuki, Narikawa, Tatsuya, Oohara, Ken-ichi, Sakai, Kazuki, Shinkai, Hisa-aki, Takahashi, Hirotaka, Tanaka, Takahiro, Uchikata, Nami, Yamamoto, Shun, and Yamamoto, Takahiro S.

Subjects
General Relativity and Quantum Cosmology
Abstract

The ringdown part of gravitational waves in the final stage of merger of compact objects tells us the nature of strong gravity which can be used for testing the theories of gravity. The ringdown waveform, however, fades out in a very short time with a few cycles, and hence it is challenging for gravitational wave data analysis to extract the ringdown frequency and its damping time scale. We here propose to build up a suite of mock data of gravitational waves to compare the performance of various approaches developed to detect quasi-normal modes from a black hole. In this paper we present our initial results of comparisons of the following five methods; (1) plain matched filtering with ringdown part (MF-R) method, (2) matched filtering with both merger and ringdown parts (MF-MR) method, (3) Hilbert-Huang transformation (HHT) method, (4) autoregressive modeling (AR) method, and (5) neural network (NN) method. After comparing their performance, we discuss our future projects., Comment: 15 pages, 4 figures

Published
2018
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25. 5-Fluorouracil plus L-leucovorin and oxaliplatin treatment for esophageal squamous cell carcinoma: A multicenter retrospective study

Author

Shiraishi, Kazuhiro, primary, Okada, Mao, additional, Yamamoto, Shun, additional, Matsubara, Yuki, additional, Masuishi, Toshiki, additional, Shimozaki, Keitaro, additional, Yamamoto, Yoshiyuki, additional, Hirose, Suguru, additional, Sugiyama, Keiji, additional, Furuta, Mitsuhiro, additional, Machida, Nozomu, additional, Takahashi, Naoki, additional, Yoshii, Takako, additional, Kito, Yosuke, additional, Tsuzuki, Takao, additional, Boku, Shogen, additional, Tsuchihashi, Kenji, additional, Akinori, Sugaya, additional, Takayama, Toshizo, additional, Komori, Azusa, additional, Mitani, Seiichiro, additional, Matsumoto, Toshihiko, additional, Hirata, Kenro, additional, and Nishimura, Takashi, additional

Published
2024
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30. Repeated Multimarket Contact with Private Monitoring: A Belief-Free Approach

Author

Iwasaki, Atsushi, Sekiguchi, Tadashi, Yamamoto, Shun, and Yokoo, Makoto

Subjects
Computer Science - Computer Science and Game Theory
Abstract

This paper studies repeated games where two players play multiple duopolistic games simultaneously (multimarket contact). A key assumption is that each player receives a noisy and private signal about the other's actions (private monitoring or observation errors). There has been no game-theoretic support that multimarket contact facilitates collusion or not, in the sense that more collusive equilibria in terms of per-market profits exist than those under a benchmark case of one market. An equilibrium candidate under the benchmark case is belief-free strategies. We are the first to construct a non-trivial class of strategies that exhibits the effect of multimarket contact from the perspectives of simplicity and mild punishment. Strategies must be simple because firms in a cartel must coordinate each other with no communication. Punishment must be mild to an extent that it does not hurt even the minimum required profits in the cartel. We thus focus on two-state automaton strategies such that the players are cooperative in at least one market even when he or she punishes a traitor. Furthermore, we identify an additional condition (partial indifference), under which the collusive equilibrium yields the optimal payoff., Comment: Accepted for the 9th Intl. Symp. on Algorithmic Game Theory; An extended version was accepted at the Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI-20)

Published
2016

32. Development of perioperative immune checkpoint inhibitor therapy for locally advanced esophageal squamous cell carcinoma.

Author

Kadono, Toru, Yamamoto, Shun, and Kato, Ken

Abstract

The standard preoperative treatment for resectable locally advanced esophageal squamous cell carcinoma (ESCC) is chemoradiotherapy in western countries (based on the CROSS trial) and triplet chemotherapy in Japan (based on the JCOG1109 trial). Postoperative nivolumab has recently been shown to improve disease-free survival in resectable locally advanced esophageal cancer after preoperative chemoradiotherapy in patients who had residual pathological disease, based on the CheckMate 577 trial. Furthermore, preoperative immune checkpoint inhibitor-containing treatments have also been developed. The JCOG1804E trial is presently evaluating the safety and efficacy of preoperative nivolumab-containing chemotherapy for resectable locally advanced ESCC. This review discusses the treatment of resectable locally advanced ESCC and future perspectives on perioperative immune checkpoint inhibitor-containing treatments. Article highlights This review discussed the differences in treatment of resectable locally advanced esophageal cancer between western countries and Japan, summarized the results of trials that include immune checkpoint inhibitor (ICI) therapy, and discussed the prospects and problems of future development of ICI therapy for these cancers. Treatment strategies for resectable locally advanced esophageal cancer differ between Japan and western countries. The standard preoperative treatment is chemoradiotherapy containing carboplatin and paclitaxel based on the CROSS trial in western countries, and docetaxel, cisplatin, and fluorouracil chemotherapy in Japan. ICIs have demonstrated survival benefit in unresectable advanced, recurrent, or metastatic esophageal cancer, and postoperative nivolumab after preoperative chemoradiotherapy and esophagectomy was found to be superior in resectable locally advanced esophageal cancer in the CheckMate 577 trial. However, these findings cannot be extrapolated to Japan because of the difference in preoperative treatment. Several studies of preoperative ICI therapy combined with chemotherapy or chemoradiotherapy have been performed and showed promising efficacy and good tolerability. In Japan, the multicohort phase I JCOG1804E (FRONTiER) study is evaluating the safety and efficacy of preoperative nivolumab combined with either cisplatin and 5-fluorouracil, or docetaxel, cisplatin, and fluorouracil, or fluorouracil, leucovorin, oxaliplatin, and docetaxel for resectable locally advanced esophageal squamous cell carcinoma. [ABSTRACT FROM AUTHOR]

Published
2024
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33. Clinical practice guidelines for esophagogastric junction cancer:Upper GI Oncology Summit 2023

Author

Kitagawa, Yuko, Matsuda, Satoru, Gotoda, Takuji, Kato, Ken, Wijnhoven, Bas, Lordick, Florian, Bhandari, Pradeep, Kawakubo, Hirofumi, Kodera, Yasuhiro, Terashima, Masanori, Muro, Kei, Takeuchi, Hiroya, Mansfield, Paul F., Kurokawa, Yukinori, So, Jimmy, Mönig, Stefan Paul, Shitara, Kohei, Rha, Sun Young, Janjigian, Yelena, Takahari, Daisuke, Chau, Ian, Sharma, Prateek, Ji, Jiafu, de Manzoni, Giovanni, Nilsson, Magnus, Kassab, Paulo, Hofstetter, Wayne L., Smyth, Elizabeth Catherine, Lorenzen, Sylvie, Doki, Yuichiro, Law, Simon, Oh, Do Youn, Ho, Khek Yu, Koike, Tomoyuki, Shen, Lin, van Hillegersberg, Richard, Kawakami, Hisato, Xu, Rui Hua, Wainberg, Zev, Yahagi, Naohisa, Lee, Yeong Yeh, Singh, Rajvinder, Ryu, Min Hee, Ishihara, Ryu, Xiao, Zili, Kusano, Chika, Grabsch, Heike Irmgard, Hara, Hiroki, Mukaisho, Ken Ichi, Makino, Tomoki, Kanda, Mitsuro, Booka, Eisuke, Suzuki, Sho, Hatta, Waku, Kato, Motohiko, Maekawa, Akira, Kawazoe, Akihito, Yamamoto, Shun, Nakayama, Izuma, Narita, Yukiya, Yang, Han Kwang, Yoshida, Masahiro, Sano, Takeshi, Kitagawa, Yuko, Matsuda, Satoru, Gotoda, Takuji, Kato, Ken, Wijnhoven, Bas, Lordick, Florian, Bhandari, Pradeep, Kawakubo, Hirofumi, Kodera, Yasuhiro, Terashima, Masanori, Muro, Kei, Takeuchi, Hiroya, Mansfield, Paul F., Kurokawa, Yukinori, So, Jimmy, Mönig, Stefan Paul, Shitara, Kohei, Rha, Sun Young, Janjigian, Yelena, Takahari, Daisuke, Chau, Ian, Sharma, Prateek, Ji, Jiafu, de Manzoni, Giovanni, Nilsson, Magnus, Kassab, Paulo, Hofstetter, Wayne L., Smyth, Elizabeth Catherine, Lorenzen, Sylvie, Doki, Yuichiro, Law, Simon, Oh, Do Youn, Ho, Khek Yu, Koike, Tomoyuki, Shen, Lin, van Hillegersberg, Richard, Kawakami, Hisato, Xu, Rui Hua, Wainberg, Zev, Yahagi, Naohisa, Lee, Yeong Yeh, Singh, Rajvinder, Ryu, Min Hee, Ishihara, Ryu, Xiao, Zili, Kusano, Chika, Grabsch, Heike Irmgard, Hara, Hiroki, Mukaisho, Ken Ichi, Makino, Tomoki, Kanda, Mitsuro, Booka, Eisuke, Suzuki, Sho, Hatta, Waku, Kato, Motohiko, Maekawa, Akira, Kawazoe, Akihito, Yamamoto, Shun, Nakayama, Izuma, Narita, Yukiya, Yang, Han Kwang, Yoshida, Masahiro, and Sano, Takeshi

Published
2024

36. Long-term outcomes after non-curative endoscopic resection for esophageal squamous cell carcinoma followed by additional chemoradiotherapy.

Author

Cho, Hourin, Abe, Seiichiro, Nonaka, Satoru, Suzuki, Haruhisa, Yoshinaga, Shigetaka, Okuma, Kae, Yamamoto, Shun, Daiko, Hiroyuki, Kato, Ken, Sekine, Shigeki, Boku, Narikazu, and Saito, Yutaka

Subjects
ENDOSCOPIC surgery, SQUAMOUS cell carcinoma, CHEMORADIOTHERAPY, DISEASE risk factors, LYMPHATIC metastasis, OVERALL survival, ESOPHAGEAL cancer, RECTAL cancer
Abstract

Endoscopic resection (ER) of esophageal squamous cell carcinoma (ESCC) is evaluated pathologically, and additional treatment is recommended for cases resulting in non-curative resection, defined as pMM with lymphovascular invasion (LVI), pSM, or positive vertical margin. This study aimed to assess long-term outcomes and risk factors for recurrence in patients with ESCC treated with non-curative ER followed by additional chemoradiotherapy (CRT). We retrospectively reviewed the clinical courses of patients who underwent non-curative ER followed by additional CRT for ESCCs between August 2007 and December 2017. Recurrence rates and risk factors for recurrence were analyzed. Among 97 patients with non-curative ER, 73 underwent additional CRT. With a median follow-up period of 71 months, recurrences were observed in 10 (14%) of 73 patients, with a median interval of 24.5 (1–59 months). The 3- and 5-year recurrence-free survival were 89 and 85%, respectively, and the 3- and 5-year overall survival rates were 96 and 91%, respectively. Multivariate analysis showed that lymphatic invasion was an independent risk factor for recurrence in patients with non-curative ESCC receiving additional CRT. Among the 10 patients with recurrence, 4, 3, 2, and 1 underwent surgery, chemotherapy, supportive care, and CRT, respectively. Notably, all four patients who underwent surgery survived, regardless of regional and/or distant lymph node metastasis. Lymphatic invasion is an independent risk factor for the recurrence of non-curative ESCCs. Careful follow-up is required for at least 5 years after ER with additional CRT. [ABSTRACT FROM AUTHOR]

Published
2024
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37. Clinical utility of pegfilgrastim on day 3 of preoperative docetaxel, cisplatin and 5-fluorouracil chemotherapy in elderly patients with resectable esophageal cancer

Author

Ikeda, Go, primary, Yamamoto, Shun, additional, Azuma, Ikuko, additional, Kadono, Toru, additional, Ohara, Akihiro, additional, Itoyama, Mai, additional, Hirose, Toshiharu, additional, Yokoyama, Kazuki, additional, Honma, Yoshitaka, additional, Hashimoto, Taiki, additional, Sekine, Shigeki, additional, Ishiyama, Koshiro, additional, Oguma, Junya, additional, Daiko, Hiroyuki, additional, Iwakiri, Katsuhiko, additional, and Kato, Ken, additional

Published
2024
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38. The overall safety and short-term efficacy of nivolumab plus ipilimumab for advanced esophageal squamous cell carcinoma.

Author

Shiraishi, Kazuhiro, primary, Yamamoto, Shun, additional, Yoshinami, Yuri, additional, Ohara, Akihiro, additional, Itoyama, Mai, additional, Yokoyama, Kazuki, additional, Honma, Yoshitaka, additional, Kashiraha, Tairo, additional, Kurita, Daisuke, additional, Ishiyama, Koshiro, additional, Oguma, Junya, additional, Igaki, Hiroshi, additional, Daiko, Hiroyuki, additional, and Kato, Ken, additional

Published
2024
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39. An observational study on treatment patterns and outcomes among patients with metastatic or recurrent esophageal cancer: Real-world data and empirical analyses in Japan (POME).

Author

Yamamoto, Shun, primary, Kato, Ken, additional, Saeki, Hiroshi, additional, Kadowaki, Shigenori, additional, Minashi, Keiko, additional, Kasahara, Yuki, additional, Nomura, Motoo, additional, Yasuda, Tomoyo, additional, Sato, Yusuke, additional, Koyanagi, Kazuo, additional, Izawa, Naoki, additional, Okada, Morihito, additional, Satake, Hironaga, additional, Morita, Shuko, additional, Goto, Masahiro, additional, Yoshii, Takako, additional, Yamamoto, Sachiko, additional, Izawa, Makiko, additional, Uemura, Kohei, additional, and Muro, Kei, additional

Published
2024
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40. Correlation between histopathological response by neoadjuvant DCF therapy and the clinical efficacy of palliative platinum-containing regimens for recurrent ESCC.

Author

Igaue, Shota, primary, Yamamoto, Shun, additional, Shiraishi, Kazuhiro, additional, Ohara, Akihiro, additional, Itoyama, Mai, additional, Yokoyama, Kazuki, additional, Honma, Yoshitaka, additional, Kashihara, Tairo, additional, Kurita, Daisuke, additional, Ishiyama, Koshiro, additional, Oguma, Junya, additional, Daiko, Hiroyuki, additional, and Kato, Ken, additional

Published
2024
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41. First-line FOLFOX therapy for advanced esophageal squamous cell carcinoma: Multicenter prospective study in Japan.

Author

Fushiki, Kunihiro, primary, Tsushima, Takahiro, additional, Tsubosa, Yasuhiro, additional, Notsu, Akifumi, additional, Yamamoto, Shun, additional, Nakayama, Izuma, additional, Imazeki, Hiroshi, additional, Hamai, Yoichi, additional, Motoori, Masaaki, additional, Nomura, Motoo, additional, Nakachi, Kohei, additional, Fumita, Soichi, additional, Otsu, Satoshi, additional, Tanaka, Yoshihiro, additional, Murakami, Kentaro, additional, Furuta, Mitsuhiro, additional, TAKEUCHI, HIROYA, additional, and Kato, Ken, additional

Published
2024
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42. FRONTiER: A feasibility trial of nivolumab with neoadjuvant CF or DCF, FLOT therapy for locally advanced esophageal carcinoma (JCOG1804E)—Primary safety and short-term efficacy results for cohort E.

Author

Yoshii, Takako, primary, Yamamoto, Shun, additional, Kato, Ken, additional, Daiko, Hiroyuki, additional, Hara, Hiroki, additional, Kojima, Takashi, additional, Abe, Tetsuya, additional, Tsubosa, Yasuhiro, additional, Kawakubo, Hirofumi, additional, Fujita, Takeo, additional, Kadowaki, Shigenori, additional, Tsushima, Takahiro, additional, Matsuda, Satoru, additional, Nagashima, Kengo, additional, Aoki, Kazunori, additional, Yachida, Shinichi, additional, and Kitagawa, Yuko, additional

Published
2024
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43. A randomized controlled phase III study comparing surgery alone versus adjuvant nivolumab versus adjuvant S-1 for locally advanced esophageal cancer with no pathological complete response: JCOG2206 (SUNRISE Trial).

Author

Matsuda, Satoru, primary, Kita, Ryosuke, additional, Nomura, Motoo, additional, Kitagawa, Yuko, additional, Kato, Ken, additional, Goto, Rei, additional, Yoshioka, Takashi, additional, Yamamoto, Shun, additional, Tsushima, Takahiro, additional, Machida, Ryunosuke, additional, Sasaki, Keita, additional, Fukuda, Haruhiko, additional, and TAKEUCHI, HIROYA, additional

Published
2024
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44. The efficacy and safety of conversion therapy after initial systemic chemotherapy in advanced esophageal cancer with distant metastases: A multicenter retrospective observational study.

Author

Tsuji, Takayuki, primary, Matsuda, Satoru, additional, Sato, Yuta, additional, Tanaka, Koji, additional, Tsuruta, Yusuke, additional, Watanabe, Masaya, additional, Hamai, Yoichi, additional, Nasu, Motomi, additional, Saze, Zenichiro, additional, Nakashima, Yuichiro, additional, Nomura, Motoo, additional, Yamamoto, Shun, additional, Booka, Eisuke, additional, Ishiyama, Koshiro, additional, Bamba, Takeo, additional, Sakanaka, Katsuyuki, additional, Tsushima, Takahiro, additional, TAKEUCHI, HIROYA, additional, Kato, Ken, additional, and Kawakubo, Hirofumi, additional

Published
2024
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47. ASO Visual Abstract: Significance of Surgery for Resectable M1 Lymph Node Metastases Without Organ Metastasis in Esophageal Carcinoma in the Era of Neoadjuvant Treatment

Author

Igaue, Shota, primary, Nozaki, Ryoko, additional, Utsunomiya, Daichi, additional, Kubo, Yuto, additional, Kubo, Kentaro, additional, Kurita, Daisuke, additional, Yamamoto, Shun, additional, Ishiyama, Koshiro, additional, Oguma, Junya, additional, Kato, Ken, additional, and Daiko, Hiroyuki, additional

Published
2023
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49. Significance of Surgery for Resectable M1 Lymph Node Metastases Without Organ Metastasis in Esophageal Carcinoma in the Era of Neoadjuvant Treatment

Author

Igaue, Shota, primary, Nozaki, Ryoko, additional, Utsunomiya, Daichi, additional, Kubo, Yuto, additional, Kubo, Kentaro, additional, Kurita, Daisuke, additional, Yamamoto, Shun, additional, Ishiyama, Koshiro, additional, Oguma, Junya, additional, Kato, Ken, additional, and Daiko, Hiroyuki, additional

Published
2023
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