By DOSHI S   LOBB MO   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|23|4|450-451

Informa Healthcare‎(2003)‎

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By Schild R.L.   Lobb M.O.   Voke J.M.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|80|2|283-285

Elsevier‎(1998)‎

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