Search results for: Robert Hahn
International Journal of Nursing Studies > 2015 > 52 > 7 > 1211-1216
Journal of Clinical Epidemiology > 2013 > 66 > 11 > 1209-1214
International Journal of Nursing Studies > 2015 > 52 > 7 > 1211-1216
Journal of Clinical Epidemiology > 2013 > 66 > 11 > 1209-1214