By Buchholz Ivo M   Bolhuis Hugo W   Bröker Frederik H L   Gratama Jan Willem C   Sakkers Ralph J B   Bouma Wim H   in Acta Orthopaedica Scandinavica

ISSN:0001-6470|73|2|170-174

Informa Healthcare‎(2002)‎

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By Speets Anouk M   van der Graaf Yolanda   Hoes Arno W   Kalmijn Sandra   Sachs Alfred PE   Rutten Matthieu JCM   Gratama Jan Willem C   Montauban van Swijndregt Alexander D   Mali Willem PThM   in British Journal of General Practice

ISSN:1478-5242|56|529|574-578

Royal College of General Practitioners‎(2006)‎

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