1. Summary health statistics for U.S. adults: National Health Interview Survey, 2001;Lucas;Vital Health Stat,2004
2. Acute sinusitis;Worrall;Can Fam Physician,2011
3. Recent changes in the prevalence of diseases presenting for health care;Fleming;Br J General Pract,2005
4. Sex differences in the incidence and severity of respiratory tract infections;Falagas;Respir Med,2007
5. Clinical practice guideline (update): adult sinusitis;Rosenfeld;Otolaryngol Head Neck Surg,2015