BAHGAT, N. A. Relation between maternal vitamin D level and in vitro-fertilization laboratory outcome in normal responding patients 35 years old or less. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 11, p. 2943–2947, 2022. DOI: 10.18203/2320-1770.ijrcog20222611. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/12256. Acesso em: 4 dec. 2025.