Opium use and risk of mortality from digestive diseases: a prospective cohort study.

MLA

Malekzadeh, Masoud M., et al. “Opium Use and Risk of Mortality from Digestive Diseases: A Prospective Cohort Study.” The American Journal of Gastroenterology, vol. 108, no. 11, Nov. 2013, pp. 1757–65. EBSCOhost, https://doi.org/10.1038/ajg.2013.336.

APA

Malekzadeh, M. M., Khademi, H., Pourshams, A., Etemadi, A., Poustchi, H., Bagheri, M., Khoshnia, M., Sohrabpour, A. A., Aliasgari, A., Jafari, E., Islami, F., Semnani, S., Abnet, C. C., Pharoah, P. D. P., Brennan, P., Boffetta, P., Dawsey, S. M., Malekzadeh, R., & Kamangar, F. (2013). Opium use and risk of mortality from digestive diseases: a prospective cohort study. The American Journal of Gastroenterology, 108(11), 1757–1765. https://doi.org/10.1038/ajg.2013.336

Chicago

Malekzadeh, Masoud M, Hooman Khademi, Akram Pourshams, Arash Etemadi, Hossein Poustchi, Mohammad Bagheri, Masoud Khoshnia, et al. 2013. “Opium Use and Risk of Mortality from Digestive Diseases: A Prospective Cohort Study.” The American Journal of Gastroenterology 108 (11): 1757–65. doi:10.1038/ajg.2013.336.