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Tjalma WA, Van Waes TR, Van den Eeden LE, Bogers JJ.Tjalma WA, et al. Among authors: bogers jj.Best Pract Res Clin Obstet Gynaecol. 2005 Aug;19(4):469-83. doi: 10.1016/j.bpobgyn.2005.02.002. Epub 2005 Mar 21.Best Pract Res Clin Obstet Gynaecol. 2005.PMID: 16150388Review.