第一产程自由体位待产对产妇疼痛感、自我效能感及满意度的影响
潘春丽
The effect of keeping free position at the first stage of labour on maternal pain, self efficacy and satisfaction
PAN Chunli
中国临床护理 . 2019, (1): 46 -48 .  DOI: 10.3969/j.issn.1674-3768.2019.01.014