1Czerwonka R, Zlomaniec J, Semczuk B. The endoscopic assessment of the pharyngeal opening of the auditory tube in recurrent exudative otitis media in children[J]. Otolaryngol Pol, 1995, 49(5): 426-430.
2Rood SR, Doyle WJ. The nasopharyngeal orifice of the auditory tube: implications for tubal dynamics anatomy[J]. Cleft Palate J, 1982, 19(2): 119-128.
3Kriukov AI, Turovskii AB, Shubin MN. Results of an endoscopic study in patients with long-term tubal dysfunction[J]. Vestn Otorinolaringol, 2002, (6): 6-8.
4Suzuki H, Shiroto H, Omino K. Identification of factors determining comfort of train[J]. RTRI Report, 1997, 11(11) :31-36.
5Kuwano S, Namba S. Continuous judgment of level- fluctuating sounds and the relationship between over-all loudness and instantaneous loudness [J]. Psycho- logical Research, 1985,47(1) : 27-37.
6Suzuki H, Fukushima N, Tezuka K, et al. A review of research trends on passengers' aural discomfort caused by rail tunnel pressure change[J]. RTRI Report, 1996, 10(10) :41-45.
7Schwanitz S, Wittkowski M, rolny V, et al. Continuous assessment of pressure comfort on a train a field-labo- ratory comparison [J ]. Applied Ergonomics, 2013, 44 (1) :7-11.