Urinary endogenous sex hormone levels and the risk of postmenopausal breast cancer.

MLA

Onland-Moret, N. C., et al. “Urinary Endogenous Sex Hormone Levels and the Risk of Postmenopausal Breast Cancer.” British Journal of Cancer, vol. 88, no. 9, May 2003, pp. 1394–99. EBSCOhost, https://doi.org/10.1038/sj.bjc.6600890.

APA

Onland-Moret, N. C., Kaaks, R., van Noord, P. A. H., Rinaldi, S., Key, T., Grobbee, D. E., & Peeters, P. H. M. (2003). Urinary endogenous sex hormone levels and the risk of postmenopausal breast cancer. British Journal of Cancer, 88(9), 1394–1399. https://doi.org/10.1038/sj.bjc.6600890

Chicago

Onland-Moret, N C, R Kaaks, P A H van Noord, S Rinaldi, T Key, D E Grobbee, and P H M Peeters. 2003. “Urinary Endogenous Sex Hormone Levels and the Risk of Postmenopausal Breast Cancer.” British Journal of Cancer 88 (9): 1394–99. doi:10.1038/sj.bjc.6600890.