title: Reliability and validity of drug use items differing in the nature of their response options.
authors.forename: R D
authors.initials: RD
authors.lastname: Hays
authors.forename: G J
authors.initials: GJ
authors.lastname: Huba
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D013287:Illicit Drugs / Q000008:administration & dosage*; D008297:Male; D008875:Middle Aged; D011619:Psychotropic Drugs / Q000008:administration & dosage*; D013223:Statistics as Topic
chemical_list: D013287:Illicit Drugs; D011619:Psychotropic Drugs