UPADHYAY, R. S.; FONSECA, M. N. Study of incidence of antiphospholipid antibody syndrome and low vitamin D levels as an etiological factor in recurrent pregnanc loss and their correlation. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 5, n. 10, p. 3339–3342, 2016. DOI: 10.18203/2320-1770.ijrcog20163147. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/407. Acesso em: 4 dec. 2025.