title: An initial investigation of the psychedelic drug flashback phenomena.
mesh_terms: D001288:Attention; D006212:Hallucinations / Q000139:chemically induced*; D006213:Hallucinogens / Q000009:adverse effects; D006801:Humans; D007406:Interview, Psychological; D008950:MMPI; D001523:Mental Disorders / Q000175:diagnosis; D010260:Paranoid Personality Disorder / Q000175:diagnosis; D011581:Psychological Tests; D011605:Psychoses, Substance-Induced / Q000209:etiology*; D012008:Recurrence; D019966:Substance-Related Disorders / Q000150:complications*; D013997:Time Factors
chemical_list: D006213:Hallucinogens