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Van der Auwera I, Debrock S, Spiessens C, Afschrift H, Bakelants E, Meuleman C, Meeuwis L, D'Hooghe TM.Van der Auwera I, et al.Hum Reprod. 2002 Jun;17(6):1507-12. doi: 10.1093/humrep/17.6.1507.Hum Reprod. 2002.PMID: 12042269Clinical Trial.