[Simultaneous erythema nodosum in 2 brothers].
D002648:Child; D004893:Erythema Nodosum / Q000209:etiology* / Q000235:genetics; D006801:Humans; D008297:Male; D012213:Rheumatic Fever / Q000150:complications* / Q000235:genetics
Eritema nodoso comparso contemporaneamente in due fratelli.