title: Psychedelic drug flashbacks: subjective reports and biographical data.
mesh_terms: D005260:Female; D006212:Hallucinations / Q000139:chemically induced* / Q000523:psychology; D006213:Hallucinogens / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008605:Mental Health Services / Q000706:statistics & numerical data; D012008:Recurrence; D019966:Substance-Related Disorders / Q000453:epidemiology
chemical_list: D006213:Hallucinogens