Authors: Sjoerd C Bruggink; Jacobijn Gussekloo; Marjolein Y Berger; Krista Zaaijer; Willem J J Assendelft; Margot W M de Waal; Jan Nico Bouwes Bavinck; Bart W Koes; Just A H Eekhof Journal: CMAJ Date: 2010-09-13 Impact factor: 8.262
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