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Goddijn M, van der Veen F, Schuring-Blom GH, Ankum WM, Leschot NJ.Goddijn M, et al. Among authors: ankum wm.Hum Reprod. 1996 Dec;11(12):2769-71. doi: 10.1093/oxfordjournals.humrep.a019207.Hum Reprod. 1996.PMID: 9021388