Journal of Clinical Epidemiology
Journal of Clinical Epidemiology > 2012 > 65 > 3 > 276-281
Journal of Clinical Epidemiology > 2012 > 65 > 5 > 482-487
Journal of Clinical Epidemiology > 2012 > 65 > 5 > 493-496
Journal of Clinical Epidemiology > 2012 > 65 > 5 > 488-492
Journal of Clinical Epidemiology > 2012 > 65 > 9 > 1010-1015
Journal of Clinical Epidemiology > 2012 > 65 > 9 > 996-1009