Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Incidence of rhinosinusitis in the groups of the study by Drettner et al. (1987).
| Group I: pneumococcus type 3 and occlusion of maxillary sinus | RS (+) |
| Group II: pneumococcus type 3, Pseudomonas aeruginosa and sinus occlusion | RS (+) |
| Group III: pneumococcus type 3 without sinus occlusion | RS (−) |
| Group IV: isolated occlusion of the maxillary sinus | RS (+) |
RS, rhinosinusitis.
