JOSHI, S. D.; G., V.; BANU, R.; G., J.; A., S. R. COVID-19 in pregnant women: a comparative observational study of pregnancy outcome in three waves of COVID-19 in district hospital, Ballari. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 12, n. 1, p. 164–169, 2022. DOI: 10.18203/2320-1770.ijrcog20223488. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/12405. Acesso em: 12 oct. 2025.