Pongpaiboon P, Kritcharoen S, Phonin K. The Effects of Natural Childbirth Care on Postpartum Perineal Pain and Maternal-Infant Attachment for the Primiparous Postpartum Women. JRN-MHS [internet]. 2015 Apr. 21 [cited 2026 Sep. 19];35(1):37-48. available from: https://he02.tci-thaijo.org/index.php/nur-psu/article/view/33091