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Birth position and obstetric anal sphincter injury: a population-based study of 113 000 spontaneous births 期刊论文
发表期刊: BMC PREGNANCY AND CHILDBIRTH. 出版年: 2015, 卷号: 15
作者:  Elvander, Charlotte;  Ahlberg, Mia;  Thies-Lagergren, Li;  Cnattingius, Sven;  Stephansson, Olof
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/29
OASIS  Anal sphincter tear  Upright delivery  Perineal tear