Target populations and interventions in prevention research: what is high risk?
Pentz
M A
MA
Department of Preventive Medicine, University of Southern California, Alhambra, CA 91803-1358, USA.
D006801:Humans; D011159:Population Surveillance; D011336:Probability; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000517:prevention & control*