产程早期体位干预对初产妇分娩结局的影响
申芳, 任瑞莲
The effect of early maternal posturing intervention on the the outcome of delivery in primiparas
SHEN Fang, REN Ruilian
中国临床护理 . 2017, (4): 312 -315 .  DOI: 10.3969/j.issn.1674-3768.2017.04.011