By Norris E.   Crosfill F.   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|33|4|418-419

Informa Healthcare‎(2013)‎

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By Crosfill F.   Hughes S.   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|26|3|278-279

Informa Healthcare‎(2006)‎

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By Salih Basama F.M.   Crosfill F.   Price A.   in European Journal of Ultrasound

ISSN:0929-8266|16|3|237-241

Elsevier‎(2003)‎

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