1.  Saline nasal irrigation – Its role as an adjunct treatment.  Blake Papsin, MD, FRCSC  Alison McTavish, MSC 2003

2.  The Use of Saline Nasal Irrigation in Common Upper Respiratory Condition.  David Rabago, MD University of Wisconsin 2008

3.  Treatment and drugs for Acute Sinusitis.   Mayo Clinic 2008

4.  Children’s illness: Top 5 causes of missed school.  Mayo Clinic  2008

5.  Cold Remedies: What works, what doesn’t and what can’t hurt.  Mayo Clinic 2010

* Studies did not evaluate any Nasalzyme® or H2Ocean® products.