Endoscopic technology update.
Williams
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D019723:Endoscopes; D020776:Endoscopes, Gastrointestinal; D004724:Endoscopy / Q000639:trends; D016099:Endoscopy, Gastrointestinal / Q000639:trends*; D004867:Equipment Design; D004935:Esophageal Diseases / Q000601:surgery; D006471:Gastrointestinal Hemorrhage / Q000601:surgery; D006801:Humans; D053685:Laser Therapy / Q000379:methods; D013677:Medical Laboratory Science / Q000639:trends; D013536:Suture Techniques / Q000295:instrumentation; D018608:Ultrasonography, Doppler / Q000639:trends