By Winkler U.H.   Altkemper R.   Kwee B.   Helmond F.A.   Coelingh Bennink H.J.T.   in Fertility and Sterility

ISSN:0015-0282|74|1|10-19

Elsevier‎(2000)‎

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By Bots M.L.   Evans G.W.   Riley W.   Meijer R.   McBride K.H.   Paskett E.D.   Helmond F.A.   Grobbee D.E.   for the OPAL Investigators   in Controlled Clinical Trials

ISSN:0197-2456|24|6|752-775

Elsevier‎(2003)‎

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By Völker W.   Coelingh Bennink H. J. T.   Helmond F. A.   in Climacteric

ISSN:1473-0804|4|3|203-208

Informa Healthcare‎(2001)‎

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