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Leeflang MM, Cnossen JS, van der Post JA, Mol BW, Khan KS, ter Riet G.Leeflang MM, et al. Among authors: mol bw.Eur J Obstet Gynecol Reprod Biol. 2007 Jul;133(1):12-9. doi: 10.1016/j.ejogrb.2007.01.003. Epub 2007 Feb 12.Eur J Obstet Gynecol Reprod Biol. 2007.PMID: 17293022Review.