中国计划生育学杂志
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门诊孕产妇对分娩镇痛认知及态度的现状调查
空军军医大学第二附属医院(西安,710038)
Status survey of the cognition and attitude of labor analgesia of pregnant women from outpatient
The Second Affiliated Hospital of Air Force Military Medical University, Xi 'an, Shaanxi Province, 710038