Harvard Medical School Guide to Healing Your Sinuses - Ralph Metson, Steven Mardon - Google Books

http://books.google.de/books?id=Wa7RqdT7abYC&pg=PA162&dq=Empty+Nose+Syndrome

From a leading expert at one of the world's most respected medical schools----learn how to beat sinus infections once and for all Nobody needs to tell you how painful and annoying sinus problems can be--the pounding headaches and congestion, the…