PITAKBURAPHA, A. Effects of Meperidine Administered in First Stage of Labour. Journal of Health Science of Thailand, [S. l.], v. 17, n. Supplement V, p. SV1428–1433, 2018. Disponível em: https://thaidj.org/index.php/JHS/article/view/5306. Acesso em: 23 jan. 2026.