Pieretti, B., Canovari, B., Moretti, M., Pieretti, C. and Pazzaglia, E. 2017. Drug-resistant Streptococcus pyogenes: a case report of pyoderma and cellulitis. Microbiologia Medica. 32, 3 (Oct. 2017). DOI:https://doi.org/10.4081/mm.2017.6617.