The effect of group administration upon symptom formation under LSD.
D006801:Humans; D008238:Lysergic Acid Diethylamide / Q000009:adverse effects*; D001523:Mental Disorders; D011618:Psychotic Disorders
D008238:Lysergic Acid Diethylamide
LYSERGIC ACID DIETHYLAMIDE/injurious effects; PSYCHOSES/experimental