Search results for: H. Keller
Journal of Clinical Epidemiology > 2007 > 60 > 10 > 1085-1089
Journal of Clinical Epidemiology > 2006 > 59 > 8 > 836-841
Journal of Clinical Epidemiology > 2007 > 60 > 10 > 1085-1089
Journal of Clinical Epidemiology > 2006 > 59 > 8 > 836-841