Erythromycin-resistant group A streptococcal isolates recovered in Sofia, Bulgaria, from 1995 to 2001

Antoaneta Detcheva1, Richard R Facklam, Bernard Beall

  • 1National Center of Infectious and Parasitic Diseases, 26 Yanko Sakazov Boulevard, Sofia 1504, Bulgaria. Detcheva@hotmail.com