[Reactive states: general review].
D004893:Erythema Nodosum / Q000175:diagnosis* / Q000276:immunology; D006801:Humans; D007918:Leprosy / Q000276:immunology*; D009443:Neuritis / Q000175:diagnosis* / Q000209:etiology / Q000276:immunology
Les états réactionnels: revue générale.