title: Open study of different perioperative prophylactic regimens with mezlocillin/metronidazole in proctectomy.
mesh_terms: D000368:Aged; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000627:therapeutic use*; D008802:Mezlocillin / Q000627:therapeutic use*; D011183:Postoperative Complications / Q000517:prevention & control*; D012002:Rectal Diseases / Q000601:surgery*
chemical_list: D008795:Metronidazole; D008802:Mezlocillin