title: Erythema nodosum presenting before inflammatory bowel disease.
mesh_terms: D000293:Adolescent; D003093:Colitis, Ulcerative / Q000150:complications* / Q000175:diagnosis; D004893:Erythema Nodosum / Q000175:diagnosis / Q000209:etiology*; D005260:Female; D006801:Humans; D013997:Time Factors