title: Efficacy of letrozole in ovulation induction compared to that of clomiphene citrate in patients with polycystic ovarian syndrome.
authors.affiliation: Department of Obstetrics and Gynecology, Babol University of Medical Sciences, Infertility and Reproductive Health Research Center, Babol, Iran. zeinalmahtab@yahoo.com
authors.forename: Mahtab
authors.initials: M
authors.lastname: Zeinalzadeh
authors.forename: Zahra
authors.initials: Z
authors.lastname: Basirat
authors.forename: Mahsa
authors.initials: M
authors.lastname: Esmailpour