We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLateral episiotomy protects primiparous but not multiparous women from obstetric anal sphincter rupture.AuthorsRäisänen, Sari Helena; Vehviläinen-Julkunen, Katri; Gissler, Mika; Heinonen, SeppoAbstractTo identify the risk factors for obstetric anal sphincter rupture (OASR).PublicationActa obstetricia et gynecologica Scandinavica, 2009, Vol 88, Issue 12, p1365ISSN1600-0412Publication typeJournal ArticleDOI10.3109/00016340903295626