Antibiotic Prophylaxis for Digestive Endoscopy - Barthet, M; Napoleon, B; Gay, G; Ponchon, T; Sautereau, D; Arpurt, J P; Boustiere, C; Boyer, J; Canard, J M; Dalbies, P A; Escourrou, J; Greff, M; Lapuelle, J; Laugier, R; Letard, J C; Marchetti, B; Palazzo, L; Vedrenne, B (Endoscopy, 2004)