By Diederichsen Helle Z.   Skamling Merete   Diederichsen Axel   Grinsted Per   Antonsen Steen   Petersen Per H.   Munck Anders P.   Kragstrup Jakob   in Scandinavian Journal of Primary Health Care

ISSN:0281-3432|18|1|39-43

Informa Healthcare‎(2000)‎

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