Endoscopic photography in gastroenterology.
D019723:Endoscopes; D020701:Esophagoscopes; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D020699:Gastroscopes; D005898:Glass; D006801:Humans; D020706:Laparoscopes; D055095:Optics and Photonics; D010781:Photography; D020700:Proctoscopes