ESSAI, Ahlam H.; YOUSIF, Waleed H. Role of leptin in infertile men before and after treatment with clomiphene citrate and vitamin E. Iraqi Journal of Embryos and Infertility Researches, [S. l.], v. 2, n. 2, p. 29–33, 2012. DOI: nan. Disponível em: https://ijeir.journalpath.com/ijeir/article/view/24. Acesso em: 19 oct. 2026.