GUPTA, N.; GUPTA, S.; AGARWAL, A.; AGARWAL, S.; MAHTO, R. A comparison of visual analog scale and Wong Baker facial pain scale for pain measurement in post lower caesarean section case. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 5, n. 9, p. 3032–3035, 2017. DOI: 10.18203/2320-1770.ijrcog20162979. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/1585. Acesso em: 28 oct. 2025.