Vaccaro, M, F Guarneri, C Guarneri, F Borgia, and SP. Cannavò. 2003. “Sweet’s Syndrome and Erythema Nodosum After Klebsiella Pneumoniae Cystitis”. Acta Dermato-Venereologica 83 (4):290-91. https://doi.org/10.1080/00015550310016562.