KRISHNA, K.; SHAILAJA, N.; BHAT, B. S.; KRISHNA, L.; ., N. A randomized cross over trial of oral nifedipine and intravenous labetalol in pregnant women with severe pre-eclampsia and eclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 8, n. 3, p. 921–926, 2019. DOI: 10.18203/2320-1770.ijrcog20190858. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/6138. Acesso em: 14 oct. 2025.