Cochrane Database Syst Rev. 2013 Jan 31;(1):CD008618 Shea BJ1, Grimshaw JM, Wells GA, Boers M, Andersson N, Hamel C, Porter AC, Tugwell P, Moher D, Bouter LM.
[fysio.dk]
Shea BJ, Grimshaw JM, Wells GA, Boers M, Andersson N, Hamel C, Porter AC, Tugwell P, Moher D, Bouter LM.
[fysio.dk]