By Keunen H.   Hasaart T.H.M.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|87|2|151-157

Elsevier‎(1999)‎

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By Keunen H.   van Wijngaarden W.J.   Sahota D.S.   Hasaart T.H.M.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|89|1|69-74

Elsevier‎(2000)‎

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