3Berggreb L, Eriksson I, Mollenholt P, et al. Sedation for fibveontic gastroscopy:A comparative study of midszolam and diazepam. Br J Anaesth, 1983;55:289.
4Foxex P. Cardiovascular effects of propofol. J Drug Dev, 1991; 4(Suppl 3) :3.
5Nann JF, Utting JE, Brown BR. General anaesthsia sth edn. London: Butterworths & Co Ltd, 1989:123--125.
6Goodman NW, Black AMS, Carter JA. Some ventilatory effects of propofol as sole anaesthetic agent. Br J Anaeath, 1987; 59:1497.
7Murphy PJ, Erskine R, Langton JA. The effect of intravenously administered diazepam, midozolam and flumazenil on the sensitivity of upper airway reftexes. Anaesthesia, 1994; 49:105- 110.
3ADLER R H,CARBERRY D M,ROSS C A.Papilloma of the esophagus:association with hiatal hernia[J].J Th3297+6rac Surg,1959,37:625-635.
4SZNTI,SZENTIRMAY Z,BANAI J,et al.Squamous papilloma of the esophagus.Clinical and pathological observations based on 172papillomas in 155patients[J].Orv Hetil,2005,146:547-552.
5TALAMINI G,CAPELLI P,ZAMBONI G,et al.Alcohol,smoking and papillomavirus infection as risk factors for esophageal squamous cell papilloma and esophageal squamous cell carcinoma in Italy[J].Int J Cancer,2000,86:874-878.
6SABLICH R,BENEDETTI G,BIGNUCOLO S,et al.Squamous cell papilloma of the esophagus.Report on 35endoscopic cases[J].Endoscopy,1988,20:57-57.
7TAKESHITA K,MURATA S,MITSUFUJI S,et al.Clinicopathological characteristics of esophageal squamous papillomas in Japanese patients with comparison of findings from Western countries[J].Acta Histochem Cytochem,2006,39:23-30.
8Van CUSTEM E,SNOECK R,Van RANST M,et al.Successful treatment of a squamous papilloma of the hypopharynx-esophagus by local injections of(S)-1-(3-hydroxy-2-phosphonylmethoxypropyl)cytosine[J].J Med Virol,1995,45:230-235.