Journal of Clinical Epidemiology
Journal of Clinical Epidemiology > 2012 > 65 > 5 > 568-571
Journal of Clinical Epidemiology > 2012 > 65 > 6 > 635-642
Journal of Clinical Epidemiology > 2012 > 65 > 10 > 1107-1116
Journal of Clinical Epidemiology > 2012 > 65 > 5 > 568-571
Journal of Clinical Epidemiology > 2012 > 65 > 6 > 635-642
Journal of Clinical Epidemiology > 2012 > 65 > 10 > 1107-1116