By Jibodu O A   Darne F J   in Human Reproduction

ISSN:1460-2350|12|5|1098-1099

Oxford University Press‎(1997)‎

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By Hay D. P.   Martin W. L.   Darne F. J.   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|19|6|669-669

Informa Healthcare‎(1999)‎

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