3Tsai H. - I, Tsai Y. - F, Liou S. - C, et al. The questionable efficacy of topical pharyngeal anesthesia in combination with propofol sedation in gastroscopy[ J]. Digestive Diseases and Sci- ences, 2012, 57 (10) : 1139 - 1143.
7Garip H, Gurkan Y,Toker K, et al. A comparison of midazolam and midazolam with remifentanil for patient - controlled sedation during operations on third molars [J].Br J Oral Maxillofac Surg,2007,45(3) :212-216.
8Mccleane GJ.Factors that influence the induction dose of propofol[J].Anaesthesia,1991,46:59-62.
4Hurter T, Hanrath P. Endobronchial sonography: feasibility and preliminary results [ J ]. Thorax, 1992,47 (7) :565-567.
5Yasufuku K,Chiyo M ,Sekine Y ,et al. Real-time endobronehial ul- trasound-guided transbronchial needle aspiration of mediastinal and bilar lymph nodes[ J ]. Chest,2004,126 ( 1 ) : 122-128.
6Harewood GC, Wiersema MJ, Eden ES, et al. Cost-minimization a- nalysis of alternative diagnostic approaches in a modeled patient with non-small cell lung cancer and subcarinal lymphadenopathy[ J]. Mayo Clin Proc ,2002,77 (2) : 155-164.