By Verheijden Marieke W   Bakx J Carel   Delemarre Ine (C)G   Wanders Anne J   van Woudenbergh Nellie M   Bottema Ben JAM   van Weel Chris   van Staveren Wija A   in British Journal of General Practice

ISSN:1478-5242|55|515|452-457

Royal College of General Practitioners‎(2005)‎

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