Competing accounts of the gateway effect: the field thins, but still no clear winner.
Maccoun
Robert J
RJ
Goldman School of Public Policy and University of California, Berkeley, CA, USA. maccoun@berkeley.edu
D000818:Animals; D004195:Disease Models, Animal; D018450:Disease Progression; D006801:Humans; D002189:Marijuana Abuse / Q000523:psychology*; D008960:Models, Psychological; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000209:etiology*