[Characteristics and efficacy of electronic endoscopy. b. Magnification for the observation of ultrastructures].
D000368:Aged; D004724:Endoscopy / Q000379:methods*; D005260:Female; D005773:Gastroscopy / Q000379:methods; D006801:Humans; D007089:Image Enhancement / Q000379:methods*; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D008297:Male; D008875:Middle Aged