By Clarke P   Smith J   Kelly T   Robinson MJ   in Journal of Obstetrics & Gynaecology

ISSN:1364-6893|25|1|73-74

Informa Healthcare‎(2005)‎

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By Hillier E.M.K.   Robinson M.J.   in Corrosion Science

ISSN:0010-938X|46|3|715-727

Elsevier‎(2004)‎

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