APA Style

Kekalih, A. et al (2012). Letrozole 2.5 mg Shows Higher Endometrial Thickness Compared to 5 mg Letrozole in Ovulation Induction . Jakarta: Indonesian Society of Obstetrics and Gynecology.

MLA Style

Kekalih, Aria. et al. "Letrozole 2.5 mg Shows Higher Endometrial Thickness Compared to 5 mg Letrozole in Ovulation Induction". Jakarta: Indonesian Society of Obstetrics and Gynecology, 2012. Text.