By Kero A.   Högberg U.   Lalos A.   in The European Journal of Contraception and Reproductive Health Care

ISSN:1473-0782|6|4|205-218

Informa Healthcare‎(2001)‎

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By Kero A.   Lalos A.   Högberg U.   in Human Reproduction

ISSN:1460-2350|14|10|2669-2675

Oxford University Press‎(1999)‎

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By Andersson T.   Berhane Y.   Wall S.   Högberg U.   in Annals of Tropical Paediatrics

ISSN:1465-3281|22|1|25-32

Maney Publishing‎(2002)‎

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