By Cobra Research Group   Peters A.A.W.   Witte E.H.   Damen A.C.H.   Holm J.P.   Drogendijk A.C.   vd Velde E.A.   Trimbos J.B.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|66|1|51-56

Elsevier‎(1996)‎

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