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ISSN:1364-6893|27|7|743-744

Informa Healthcare‎(2007)‎

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By Anthony G.S.   Walker R.G.   Cameron A.D.   Price J.L.   Walker J.J.   Calder A.A.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|72|2|127-130

Elsevier‎(1997)‎

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