[GASTROCAMERA, FIBERSCOPE, ENDOSCOPE].
D019723:Endoscopes; D004724:Endoscopy; D004864:Equipment and Supplies; D005773:Gastroscopy; D006801:Humans; D055095:Optics and Photonics; D010781:Photography
ENDOSCOPY; EQUIPMENT AND SUPPLIES; GASTROSCOPY; OPTICS; PHOTOGRAPHY