By Bergmans M.G.M.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|79|2|119-121

Elsevier‎(1998)‎

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By Stevens G.H.   Debets J.M.H.   Willig A.P.   Bergmans M.G.M.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|67|1|63-64

Elsevier‎(1996)‎

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By Bergmans M.G.M.   van Geijn H.P.   Hasaart T.H.M.   Weber T.   Nickelsen C.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|67|2|127-132

Elsevier‎(1996)‎

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