title: Time--like a vast shadow mov'd.
mesh_terms: D003158:Community Psychiatry; D006213:Hallucinogens; D006801:Humans; D008519:Medicine, Traditional; D011570:Psychiatry; D011574:Psychoanalytic Theory; D019966:Substance-Related Disorders; D014481:United States
chemical_list: D006213:Hallucinogens