title: [The role of normal flora of the respiratory tract in infections caused by beta-hemolytic group A Streptococci].
mesh_terms: D001419:Bacteria / Q000302:isolation & purification; D018407:Bacterial Physiological Phenomena; D006801:Humans; D009960:Oropharynx / Q000382:microbiology*; D012141:Respiratory Tract Infections / Q000382:microbiology*; D013290:Streptococcal Infections / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000254:growth & development* / Q000302:isolation & purification
vernacular_title: Uloga normalne flore respiracijskog trakta u infekcijama izazvanim beta-hemoliznim streptokokusima grupe A.