title: "Bacteriology of acute and chronic frontal sinusitis": a reply.
authors.forename: Charles W
authors.initials: CW
authors.lastname: Gross
mesh_terms: D000208:Acute Disease; D001424:Bacterial Infections / Q000150:complications* / Q000382:microbiology*; D001431:Bacteriological Techniques; D002908:Chronic Disease; D015522:Frontal Sinusitis / Q000209:etiology* / Q000382:microbiology*; D006801:Humans; D015203:Reproducibility of Results