PATTARASIRIWONG, C.; PONGROJPAW, D.; CHANTHASENANONT, A.; LERTWUTWIWAT, S.; BHAMARAPRAVATANA, K.; SUWANNARURK, K. Acetaminophen / Tramadol Rectal Suppository for the Relief of Perineal Pain after Normal Vaginal Delivery: A randomized controlled trial. Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 26, n. 3, p. 182–189, 2018. DOI: 10.14456/tjog.2018.23. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/97514. Acesso em: 1 oct. 2026.