title: Polyarticular septic arthritis caused by Streptococcus pyogenes in an immunocompetent woman.
authors.affiliation: Department of Internal Medicine, Hospital of Zumarraga, B° Argixao s/n, 20700-Zumarraga, (Guipuzcoa), Spain.
authors.forename: Juan
authors.initials: J
authors.lastname: Marti
authors.forename: Enrique
authors.initials: E
authors.lastname: Antón