title: Beta hemolytic streptococcus parasitism in infections of the upper respiratory tract.
mesh_terms: D006801:Humans; D007830:Larynx; D012140:Respiratory Tract Diseases; D013290:Streptococcal Infections; D013291:Streptococcus; D014132:Trachea
keywords: RESPIRATORY TRACT/diseases; STREPTOCOCCI/hemolytic