Weeradech, P., Ratinthorn, A. . and Pungbangkadee, R. (2021) “Effect of Semi-squatting Position with Spontaneous Pushing on Duration of Second Stage of Labour and Perineal Tear Degree in Primiparous Parturients”, Nursing Science Journal of Thailand, 40(1), pp. 69–83. Available at: https://he02.tci-thaijo.org/index.php/ns/article/view/249087 (Accessed: 20 April 2024).