A randomized, double-blind, placebo-controlled study to evaluate topical anaesthesia of the pharynx in upper gastrointestinal endoscopy. [electronic resource]
Producer: 19921125Description: 585-7 p. digitalISSN:- 0013-726X
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Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
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