Prevalence of group a Beta-hemolytic streptococcus oropharyngeal colonization in children and therapeutic regimen based on antistreptolysin levels: data from a city from southern Brazil
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The aim of this study is to determinate the prevalence of oropharyngeal colonization by group A beta-hemolytic Streptococcus (GABHS) in pediatric population of Ponta Grossa, a midsize city of southern Brazil; estimate the effectiveness of antistreptolysin-O (A... ...