Commentary: prior specification of hypotheses: cause or just a correlate of informative studies?
Savitz
D A
DA
Department of Epidemiology, Campus Box 7400, University of North Carolina School of Public Health, Chapel Hill, NC 27599-7400, USA. david_savitz@unc.edu
D015984:Causality; D015340:Epidemiologic Research Design; D006801:Humans; D012107:Research Design