Full text: Available Index: IMSEAR (South-East Asia) Main subject: Streptococcal Infections / Streptococcus agalactiae / Female / Humans / Male / Carrier State / Microbial Sensitivity Tests / Pharyngitis / Child / Child, Preschool Type of study: Controlled clinical trial / Etiology study / Incidence study / Prognostic study / Risk factors Country/Region as subject: Asia Language: English Journal: Indian Pediatr Year: 1997 Type: Article