1. Focus on… Gastrointestinal Endoscopy
Gastrointestinal Endoscopy 
Volume 52, Issue 3, Pages 17A-18A (September 2000)
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2. Figure. ACMI flexible colonoscope, 1972, featuring a single lever control, presented as a major advance over four-way two-knob control systems. (See Gastrointest Endosc 1972;18:147.)
Gastrointestinal Endoscopy  , 17A-18ADOI: ( /mge )
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3. Fig. 3
White-light endoscopic image (A) of a macroscopically invisible squamous cell carcinoma except for a slight reddish discoloration of the mucosa in the distal part of the esophagus. Exposure of this lesion (B) to violet-blue excitation light for endogenous fluorescence spectroscopy. The optical probe is seen at the left of the images.
Gastrointestinal Endoscopy  , 17A-18ADOI: ( /mge )
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