Development and application of a decision aid tool for free body position delivery in the second stage of labor
QI Ruining, CHENG Huan, FENG Jialei, LIU Jun, LIN Xiufeng, YUE Jieya, ZHANG Bo, BAO Airong, CHANG Kai
Chinese Journal of Nursing . 2022, (20): 2452 -2458 .  DOI: 10.3761/j.issn.0254-1769.2022.20.003