By Sharma B.   Preston J.   Oligbo N.   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|22|5|565-566

Informa Healthcare‎(2002)‎

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By Sharma B   Oligbo N   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|24|1|96-98

Informa Healthcare‎(2004)‎

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