207 results on '"DeMarco, John J."'
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2. Estimating organ doses from tube current modulated CT examinations using a generalized linear model
3. Accuracy of Monte Carlo simulations compared to in‐vivo MDCT dosimetry
4. Attenuation‐based size metric for estimating organ dose to patients undergoing tube current modulated CT exams
5. Validation of a Monte Carlo model used for simulating tube current modulation in computed tomography over a wide range of phantom conditions/challenges
6. Estimating peak skin and eye lens dose from neuroperfusion examinations: Use of Monte Carlo based simulations and comparisons to CTDIvol, AAPM Report No. 111, and ImPACT dosimetry tool values
7. Time-course of effects of external beam radiation on [18F]FDG uptake in healthy tissue and bone marrow.
8. Patient specific quality assurance for the delivery of intensity modulated radiotherapy
9. A seed specific dose kernel method for low‐energy brachytherapy dosimetry
10. Radiation Enhances Regulatory T Cell Representation
11. Modification of a Virtual Source Model for Monte Carlo Based IMRT Verification
12. On the evaluation and implementation of efficient sampling algorithms for Monte Carlo based dose calculation
13. Dosimetry of Gated Intensity Modulated Radiotherapy
14. Initial clinical experience with image-guided linear accelerator-based spinal radiosurgery for treatment of benign nerve sheath tumors
15. Is the Price Right? State and Local Government Architect and Engineer Selection
16. Antiproton radiotherapy
17. Antiproton radiotherapy: peripheral dose from secondary neutrons
18. Improvements in prostate brachytherapy dosimetry due to seed stranding
19. The biological effectiveness of antiproton irradiation
20. Antiproton radiotherapy: peripheral dose from secondary neutrons
21. Attenuation of Iodine 125 Radiation With Vitreous Substitutes in the Treatment of Uveal Melanoma
22. Technical Aspects of LINAC Radiosurgery for the Treatment of Small Functional Targets
23. Biological effectiveness of antiproton annihilation
24. Biological effectiveness of antiproton annihilation
25. A Monte Carlo based phase space model for quality assurance of intensity modulated radiotherapy incorporating leaf specific characteristics
26. Dosimetric parameters for three low-energy brachytherapy sources using the Monte Carlo N-Particle code
27. CT-based dosimetry calculations for 125I prostate implants
28. TRAINING IN LOCAL GOVERNMENTS: ATTITUDES AND PRACTICES
29. Erratum: “Estimating organ doses from tube current modulated CT examinations using a generalized linear model” [Med. Phys. Vol 44 (4), 1500-1513 (2017)]
30. The affluent market and its investment potential.
31. Examining dramatic growth in the affluent market; dynamic changes in the affluent market affect product use and alternative investment strategies of expanding upscale clientele.
32. A Difference of Opinion
33. A comparison of methods to estimate organ doses in CT when utilizing approximations to the tube current modulation function
34. The feasibility of a scanner-independent technique to estimate organ dose from MDCT scans: Using CTDIvol to account for differences between scanners
35. Accuracy of Monte Carlo simulations compared toin-vivoMDCT dosimetry
36. Variability of surface and center position radiation dose in MDCT: Monte Carlo simulations using CTDI and anthropomorphic phantoms
37. Antiproton therapy
38. The feasibility of a regional CTDIvolto estimate organ dose from tube current modulated CT exams
39. Radiation dose reduction in medical x‐ray CT via Fourier‐based iterative reconstruction
40. A comparison of methods to estimate organ doses in CT when utilizing approximations to the tube current modulation function
41. The relationship between organ dose and patient size in tube current modulated adult thoracic CT scans
42. Peak Skin and Eye Lens Radiation Dose From Brain Perfusion CT Based on Monte Carlo Simulation
43. The accuracy of estimated organ doses from Monte Carlo CT simulations using cylindrical regions of interest within organs
44. The feasibility of patient size-corrected, scanner-independent organ dose estimates for abdominal CT exams
45. Clinical Significance of Air Bubbles in Breast Balloons for the Xoft 50 kV Electronic Brachytherapy Source Determined by TG-43 and MCNPX Modeling
46. The feasibility of a scanner-independent technique to estimate organ dose from MDCT scans: Using CTDIvol to account for differences between scanners
47. Reducing radiation dose to selected organs by selecting the tube start angle in MDCT helical scans: A Monte Carlo based study
48. Dose to Radiosensitive Organs During Routine Chest CT: Effects of Tube Current Modulation
49. A method to generate equivalent energy spectra and filtration models based on measurement for multidetector CT Monte Carlo dosimetry simulations
50. Variability of surface and center position radiation dose in MDCT: Monte Carlo simulations using CTDI and anthropomorphic phantoms
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