Kalis, V, KETTLE, Christine, Raisanen, SH, de Leeuw, JW, Jundt, K, de Tayrac, R, Jansova, M and Ismail, KMK (2012) Episiotomy characteristics and risks for obstetric anal sphincter injuries: a case-control study. Bjog : An International Journal Of Obstetrics & Gynaecology, 119 (9). p. 1147. ISSN 1471-0528
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