title: Erythema nodosum, clue to pulmonary tuberculosis.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004893:Erythema Nodosum / Q000209:etiology*; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000382:microbiology; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D012882:Skin Tests; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000150:complications / Q000175:diagnosis* / Q000382:microbiology