title: Expanded role of group A streptococci in children with upper respiratory infections.
authors.affiliation: Department of Pediatrics, Children's Hospital of Pittsburgh, PA, USA.
authors.forename: E R
authors.initials: ER
authors.lastname: Wald
mesh_terms: D000208:Acute Disease; D002648:Child; D002675:Child, Preschool; D006801:Humans; D010033:Otitis Media / Q000382:microbiology; D012141:Respiratory Tract Infections / Q000382:microbiology*; D012852:Sinusitis / Q000382:microbiology; D013290:Streptococcal Infections / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000302:isolation & purification