DOI:1013201/
Review
·338·
1900s Of 226 maneuvers in obstetrics childbirth (在产科使用的226种方法中 临床试验或系统综述证明): 20 were beneficial (有效: 疗效大于副作用) 30 were harmful or of doubtful value (有害或疗效可疑) 50 had no RCT evidence available
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290中国循
东南 大学学 报 医
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(总443)《中国医刊 》 20
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