Retroperitoneal fibrosis in two patients previously exposed to LSD.
D006801:Humans; D008238:Lysergic Acid Diethylamide / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000139:chemically induced*
D008238:Lysergic Acid Diethylamide