自然分娩专科护理项目干预对初产妇自然分娩质量、产后并发症预防的影响(4)
[7] Marty N，Verspyck E.Perineal tears and episiotomy：Surgical procedure-CNGOF perineal prevention and protection in obstetrics guidelines[J].Gynecol Obstet Fertil Senol，2018，46(12)：948-967.[8] Dietz H P.Obstetric forceps：a species on the brink of extinction andforceps ......
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