By LYIMO M.   BERLING S.   SIBUGA K.   in Ecology of Food and Nutrition

ISSN:0367-0244|43|3|181-191

Routledge Ltd‎(2004)‎

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By Berling S   Wölner-Hanssen P   in Human Reproduction

ISSN:1460-2350|12|5|1002-1005

Oxford University Press‎(1997)‎

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