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CE3 Grace Checklist: Rating the Strength of Evidence for Observational Studies of Comparative Effectiveness
N. Dreyer, P. Velentgas, A. Duddy, K.D. Westrich, R.W. DuboisVolume:
15
Year:
2012
Language:
english
DOI:
10.1016/j.jval.2012.03.034
File:
PDF, 58 KB
english, 2012