An alternative model is feasible, but the gateway hypothesis has not been invalidated: comments on Morral et al.
Lynskey
Michael
M
Department of Psychiatry, Washington University School of Medicine, St Louis, MO 63110, USA. mlynskey@matlock.wustl.edu
D006801:Humans; D002189:Marijuana Abuse / Q000150:complications* / Q000523:psychology; D008960:Models, Psychological; D019966:Substance-Related Disorders / Q000209:etiology