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Meyer C, Talbot M, Teede H.Meyer C, et al.Aust N Z J Obstet Gynaecol. 2005 Apr;45(2):155-8. doi: 10.1111/j.1479-828X.2005.00372.x.Aust N Z J Obstet Gynaecol. 2005.PMID: 15760320