[Endoscopy: for whom and when?].
D001706:Biopsy; D004381:Duodenal Ulcer / Q000188:drug therapy / Q000473:pathology*; D004384:Duodenoscopy; D005500:Follow-Up Studies; D005773:Gastroscopy; D006801:Humans; D013276:Stomach Ulcer / Q000188:drug therapy / Q000473:pathology*; D013997:Time Factors
L'endoscopie: qui et quand?