title: An epidemiological and ecological study of risk factors for narcotics overdose. I. Retrospective study of psychosocial factors.
mesh_terms: D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000428:Alcohol Drinking; D001290:Attitude; D001293:Attitude to Death; D001294:Attitude to Health; D004219:District of Columbia; D005239:Fear; D005260:Female; D006801:Humans; D007721:Knowledge of Results, Psychological; D008297:Male; D009294:Narcotics / Q000506:poisoning*; D011041:Poisoning / Q000209:etiology / Q000517:prevention & control*; D012189:Retrospective Studies; D012306:Risk; D013375:Substance Withdrawal Syndrome; D019966:Substance-Related Disorders / Q000150:complications / Q000453:epidemiology
chemical_list: D009294:Narcotics