Investigation of the Prevalence of Group A Beta-haemolytic Streptococcus and Efficiency of Streptococcus Rapid Antigen Test in Patients Prediagnosed with Acute Tonsillopharyngitis... oleh Emrah GÜLER, H. Kaya SÜER, Meryem GÜVENİR, Buket BADDAL, Ceyhun DALKAN