The Urinary Excretion of Estrogenic and Gonadotropic Hormones during Menstrual Cycles, the Period of Conception and Early Pregnancy
- 12 November 1936
- journal article
- Published by Massachusetts Medical Society in New England Journal of Medicine
- Vol. 215 (20), 908-914
- https://doi.org/10.1056/nejm193611122152002