两指法转胎头联合阿托品对持续性枕后位的疗效及对新生儿Apgar评分、新生儿窒息率的影响
张玉梅，梁〓斌，孙小翠
Journal of Hebei Medical University . 2019, (5): 600 -603 .  DOI: 10.3969/j.issn.10073205.2019.05.025