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Lang A, Edwards N, Fleiszer A.Lang A, et al.Int J Qual Health Care. 2008 Apr;20(2):130-5. doi: 10.1093/intqhc/mzm068. Epub 2007 Dec 23.Int J Qual Health Care. 2008.PMID: 18158294
Lang A, Edwards N, Fleiszer A.Lang A, et al.J Clin Epidemiol. 2007 Jun;60(6):595-7. doi: 10.1016/j.jclinepi.2007.01.005. Epub 2007 Apr 8.J Clin Epidemiol. 2007.PMID: 17493517No abstract available.