title: An assessment of the need for gram-negative bacterial coverage in antibiotic prophylaxis for oncological head and neck surgery.
mesh_terms: D002981:Clindamycin / Q000627:therapeutic use*; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D005839:Gentamicins / Q000627:therapeutic use*; D006090:Gram-Negative Bacteria; D006258:Head and Neck Neoplasms / Q000601:surgery*; D006801:Humans; D011184:Postoperative Period; D011292:Premedication; D011446:Prospective Studies; D011897:Random Allocation; D013530:Surgical Wound Infection / Q000382:microbiology / Q000517:prevention & control*
chemical_list: D005839:Gentamicins; D002981:Clindamycin