title: Prophylactic regimens in colorectal surgery: comparisons between metronidazole used alone or with ampicillin for one or three days.
mesh_terms: D000328:Adult; D000368:Aged; D000667:Ampicillin / Q000008:administration & dosage / Q000627:therapeutic use*; D003110:Colonic Neoplasms / Q000601:surgery*; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000008:administration & dosage / Q000627:therapeutic use*; D008875:Middle Aged; D011292:Premedication; D012004:Rectal Neoplasms / Q000601:surgery*; D013530:Surgical Wound Infection / Q000517:prevention & control*; D013997:Time Factors
chemical_list: D008795:Metronidazole; D000667:Ampicillin