APA

Warren M. P., Biller B. M. & Shangold M. M. (19990223). A new clinical option for hormone replacement therapy in women with secondary amenorrhea: effects of cyclic administration of progesterone from the sustained-release vaginal gel Crinone (4% and 8%) on endometrial morphologic features and withdrawal bleeding. : American journal of obstetrics and gynecology.

Chicago

Warren M P, Biller B M and Shangold M M. 19990223. A new clinical option for hormone replacement therapy in women with secondary amenorrhea: effects of cyclic administration of progesterone from the sustained-release vaginal gel Crinone (4% and 8%) on endometrial morphologic features and withdrawal bleeding. : American journal of obstetrics and gynecology.

Harvard

Warren M. P., Biller B. M. and Shangold M. M. (19990223). A new clinical option for hormone replacement therapy in women with secondary amenorrhea: effects of cyclic administration of progesterone from the sustained-release vaginal gel Crinone (4% and 8%) on endometrial morphologic features and withdrawal bleeding. : American journal of obstetrics and gynecology.

MLA

Warren M P, Biller B M and Shangold M M. A new clinical option for hormone replacement therapy in women with secondary amenorrhea: effects of cyclic administration of progesterone from the sustained-release vaginal gel Crinone (4% and 8%) on endometrial morphologic features and withdrawal bleeding. : American journal of obstetrics and gynecology. 19990223.