Extremely high prevalence of erythromycin resistance of group a Beta hemolytic streptococci in mashhad (iran).
Department of Pediatrics, Mashhad University of Medical Sciences, Mashhad, Iran.
Mohammad-Saeed
MS
Sasan
Fatemah Riyahi
FR
Zanian
Batol
B
Birjandi
Mahbobe
M
Naderinasab
Mohammad-Mahdi
MM
Ejtehadi