Cita APA

Zhang, X., Wu, K., Cho, E., Ma, J., Chan, A. T., Gao, X., . . . Giovannucci, E. L. (2013). Prospective cohort studies of bowel movement frequency and laxative use and colorectal cancer incidence in US women and men.

Citación estilo Chicago

Zhang, Xuehong, Kana Wu, Eunyoung Cho, Jing Ma, Andrew T. Chan, Xiang Gao, Walter C. Willett, Charles S. Fuchs, y Edward L. Giovannucci. Prospective Cohort Studies of Bowel Movement Frequency and Laxative Use and Colorectal Cancer Incidence in US Women and Men. 2013.

Cita MLA

Zhang, Xuehong, et al. Prospective Cohort Studies of Bowel Movement Frequency and Laxative Use and Colorectal Cancer Incidence in US Women and Men. 2013.