Journal of Clinical Epidemiology
Journal of Clinical Epidemiology > 2012 > 65 > 1 > 62-72.e1
Journal of Clinical Epidemiology > 2012 > 65 > 12 > 1289-1295
Journal of Clinical Epidemiology > 2012 > 65 > 12 > 1267-1273
Journal of Clinical Epidemiology > 2012 > 65 > 1 > 62-72.e1
Journal of Clinical Epidemiology > 2012 > 65 > 12 > 1289-1295
Journal of Clinical Epidemiology > 2012 > 65 > 12 > 1267-1273