4Davidson T M. Letters to the Editor: Nasal I rrigation[J]. The Laryngoscope,2001, 111(10) : 186.
5David R, Thomas P, Aleksandra Z, et al. The efficacy of hypertonic solutions saline nasal irrigationfor chronic sinonasal syrnptorrks [ J ]. Otolaryngology - head and Neck Surgely, 2005, 133(1): 3.
6Rabago D. Zginerska A, Mundt M, et al. Efficacy of daily hy- per tonic saline nasal irrigation among patients with sinusitis [J].Journal of Family Practice, 2001, 51(12): 1049.
