New statistical methods for substance use prevention research.
Collins
L M
LM
Department of Human Development and Family Studies, Pennsylvania State University, University Park 16802-6504, USA.
Seitz
L A
LA
D003627:Data Interpretation, Statistical; D006801:Humans; D012107:Research Design; D019966:Substance-Related Disorders / Q000517:prevention & control*; D016019:Survival Analysis