Search results
Contemporary Clinical Trials > 2015 > 45 > PA > 139-145
Journal of Clinical Epidemiology > 2009 > 62 > 1 > 47-53.e3
Contemporary Clinical Trials > 2015 > 45 > PA > 139-145
Journal of Clinical Epidemiology > 2009 > 62 > 1 > 47-53.e3