[1]
Chaitikul, S., Yusamran, C., Serisathien, Y., Ratinthorn, A. and Seeboonruang, S. 2012. Effect of Spontaneous Pushing from Squatting Position on an Innovative Birthing Seat on Duration of the Second Stage of Labor in Primiparous Parturients. Nursing Science Journal of Thailand. 30, 3 (Sep. 2012), 7–14.