APA (7th ed.) Citation

Yimer, B. B., Soomro, M., McBeth, J., Medina, C. R. R., Lunt, M., Dixon, W. G., & Jani, M. Comparative risk of severe constipation in patients treated with opioids for non-cancer pain: A retrospective cohort study in Northwest England. BMC.

Chicago Style (17th ed.) Citation

Yimer, Belay Birlie, Mehreen Soomro, John McBeth, Carlos Raul Ramirez Medina, Mark Lunt, William G. Dixon, and Meghna Jani. Comparative Risk of Severe Constipation in Patients Treated with Opioids for Non-cancer Pain: A Retrospective Cohort Study in Northwest England. BMC.

MLA (9th ed.) Citation

Yimer, Belay Birlie, et al. Comparative Risk of Severe Constipation in Patients Treated with Opioids for Non-cancer Pain: A Retrospective Cohort Study in Northwest England. BMC.