Doing good before there's harm.
Roper
W L
WL
Centers for Disease Control and Prevention, Atlanta, GA 30333.
Thacker
S B
SB
D002487:Centers for Disease Control and Prevention, U.S. / Q000458:organization & administration; D005544:Forecasting; D006291:Health Policy; D006292:Health Priorities; D006801:Humans; D015201:Meta-Analysis as Topic; D009937:Organizational Objectives; D011322:Primary Prevention; D011634:Public Health; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome; D014481:United States