Rigamonti, Elia, Francesca Bedussi, Jerome Blanc, Pietro Gianella, and Gianluca Vanini. 2020. “The Dark Purple Side of Ceftriaxone: A Case Report on Leucocytoclastic Vasculitis”. European Journal of Case Reports in Internal Medicine 7 (4). https://doi.org/10.12890/2020_001464.