3Pynnonen MA,Mukerji SS,Kim HM,et al. Nasal saline for chronic sinonasal symptoms : a randomized controlled trial. Arch Otolaryngol Head Neck Surg,2007,133 ( 11 ) : 1115-1120.
4Hauptman G, Ryan MW. The effect of saline solutions on nasal patency and mucociliary clearance in rhinosinusitis patients. Otolaryngol Head Neck Surg,2007,137 (5) :815-821.
5Harvey R, Hannan SA, Badia L, et al. Nasal saline irrigations for the symptoms of chronic rhinosinusitis. Cochrane Database Syst Rev,2007 ( 3 ) : CD006394.