Author: Oei S.G. Helmerhorst F.M. Bloemenkamp K.W.M. Dersjant-Roorda M. Keirse M.J.N.C.
Publisher: Elsevier
ISSN: 0301-2115
Source: European Journal of Obstetrics and Gynecology and Reproductive Biology, Vol.73, Iss.1, 1997-05, pp. : 63-66
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Abstract