[New developments in endoscopic diagnosis].
Ponchon
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Fédération des Spécialités Digestives, Hôpital Edouard-Herriot, place d'Arsonval, 69003 Lyon, France.
D004066:Digestive System Diseases / Q000175:diagnosis; D016145:Endoscopy, Digestive System / Q000295:instrumentation / Q000379:methods; D006801:Humans; D009092:Mucous Membrane