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    The Questionable Efficacy of Topical Pharyngeal Anesthesia in Combination with Propofol Sedation in Gastroscopy

    Topical pharyngeal anesthesia as an adjunct to intravenous sedation to facilitate gastroscopy has been widely acknowledged; however, its efficacy has not been established when it is used in patients under deep...

    Hsin-I Tsai, Yung-Fung Tsai, Shiue-Chin Liou in Digestive Diseases and Sciences (2012)