The skin and the colon.
D000328:Adult; D000368:Aged; D001323:Autoantibodies; D003093:Colitis, Ulcerative / Q000150:complications* / Q000276:immunology; D003872:Dermatitis / Q000209:etiology; D003874:Dermatitis Herpetiformis / Q000209:etiology; D004893:Erythema Nodosum / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011711:Pyoderma / Q000209:etiology; D012871:Skin Diseases / Q000209:etiology*; D012877:Skin Manifestations
D001323:Autoantibodies