Crohn's disease - a cause of arthritis, oxalate stones and fistulae in cystic fibrosis.
D000293:Adolescent; D001172:Arthritis, Rheumatoid / Q000209:etiology; D003424:Crohn Disease / Q000150:complications*; D003550:Cystic Fibrosis / Q000150:complications*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology; D008297:Male; D014514:Ureteral Calculi / Q000209:etiology