Additional Resources:

• WebMD - Sinus Infection Overview
• Wikipedia - Explanation of Sinusitis
• National Institute of Allergy and Infectious Diseases - Description of Sinusitis
• Medline Plus Description of Sinusitis
• FamilyDoctor.org Page on Sinusitis
• Google Health Overview of Sinusitis
• Mayo Clinic Definition of Chronic Sinusitis
• KidsHealth.org Article About Sinusitis
• American Academy of Allergy Asthma & Immunology - Sinusitis Tips to Remember
• American College of Allergy, Asthma & Immunology