NAMBIAR, S. S.; S., A.; P., R. V. Covid 19, the Kerala experience: an observational, single centre retrospective study of outcome in covid positive pregnancies. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 9, n. 8, p. 3112–3118, 2020. DOI: 10.18203/2320-1770.ijrcog20203289. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/8690. Acesso em: 3 dec. 2025.