title: Drug abuse related emergency room episodes in United States and in Spain.
authors.forename: F J
authors.initials: FJ
authors.lastname: Alvarez
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001294:Attitude to Health; D003042:Cocaine; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D003932:Heroin; D006801:Humans; D008297:Male; D012737:Sex Factors; D013030:Spain / Q000453:epidemiology; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology
chemical_list: D003932:Heroin; D003042:Cocaine