APA Citation

Chang, H., Zhou, M., Tang, W., Alexander, G. C., & Singh, S. (2015). Risk of gastrointestinal bleeding associated with oral anticoagulants: Population based retrospective cohort study. BMJ.

Chicago Style Citation

Chang, Hsien-Yen, Meijia Zhou, Wenze Tang, G Caleb Alexander, and Sonal Singh. "Risk of Gastrointestinal Bleeding Associated With Oral Anticoagulants: Population Based Retrospective Cohort Study." BMJ 2015.

MLA Citation

Chang, Hsien-Yen, et al. "Risk of Gastrointestinal Bleeding Associated With Oral Anticoagulants: Population Based Retrospective Cohort Study." BMJ 2015.

Warning: These citations may not always be 100% accurate.