[Studies on the role of bacterial allergy in nodular changes of vascular etiology].
D001419:Bacteria; D004892:Erythema Multiforme; D004893:Erythema Nodosum; D006801:Humans; D006967:Hypersensitivity; D013291:Streptococcus
ALLERGY; BACTERIA; ERYTHEMA MULTIFORME; ERYTHEMA NODOSUM; STREPTOCOCCUS