Mycobacteria and the skin.
D004893:Erythema Nodosum / Q000209:etiology; D006801:Humans; D009159:Mycobacteriaceae / Q000145:classification; D009164:Mycobacterium Infections / Q000276:immunology / Q000628:therapy; D009165:Mycobacterium Infections, Nontuberculous / Q000209:etiology; D009336:Necrosis / Q000150:complications; D012874:Skin Diseases, Infectious / Q000209:etiology* / Q000276:immunology; D014382:Tuberculosis, Cutaneous / Q000150:complications