title: Two decades of marijuana attitudes: the more it changes, the more it is the same.
authors.affiliation: Department of Psychology, University of California, Davis 95616.
authors.forename: R
authors.initials: R
authors.lastname: Sommer
mesh_terms: D000328:Adult; D001290:Attitude; D002140:California; D002188:Cannabis; D006801:Humans; D008385:Marijuana Smoking / Q000523:psychology*