By Sandvik Endre   Steine Siri   in Scandinavian Journal of Primary Health Care

ISSN:0281-3432|16|4|222-226

Informa Healthcare‎(1998)‎

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By Bakkevig Øystein   Steine Siri   von Hafenbrädl Kari   Lærum Even   in Scandinavian Journal of Primary Health Care

ISSN:0281-3432|18|4|247-251

Informa Healthcare‎(2000)‎

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