title: [The study of microflora in the upper alimentary tract during subtotal gastrectomy and the prophylactic use of antibiotics].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001419:Bacteria / Q000302:isolation & purification; D004386:Duodenum / Q000382:microbiology*; D005260:Female; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000382:microbiology / Q000601:surgery; D011183:Postoperative Complications / Q000517:prevention & control; D011292:Premedication; D013270:Stomach / Q000382:microbiology*
chemical_list: D000900:Anti-Bacterial Agents