By Kirkkola A.-L.   Virjo I.   Isokoski M.   Mattila K.   in Advances in Contraception

ISSN:0267-4874|15|4|363-374

Springer Publishing Company ‎(1999)‎

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By Kirkkola A.-L.   Virjo I.   Isokoski M.   Mattila K.   in The European Journal of Contraception and Reproductive Health Care

ISSN:1473-0782|7|2|100-104

Informa Healthcare‎(2002)‎

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By Kirkkola A.-L.   Virjo I.   Isokoski M.   Mattila K.   in Scandinavian Journal of Public Health

ISSN:1403-4948|26|4|270-271

Informa Healthcare‎(1998)‎

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By Virjo I.   Kirkkola A.-L.   Isokoski M.   Mattila K.   in Advances in Contraception

ISSN:0267-4874|15|2|85-94

Springer Publishing Company ‎(1999)‎

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