Shibl, A M Incidence of beta-lactamase production by oral aerobic/anaerobic flora from patients admitted for elective tonsillectomy. [electronic resource] - The Journal of infection May 1998 - 355-6 p. digital Publication Type: Letter ISSN: 0163-4453 Standard No.: 10.1016/s0163-4453(98)95107-6 doi Subjects--Topical Terms: AdolescentBacteria, Aerobic--drug effectsBacteria, Anaerobic--drug effectsBacterial Infections--drug therapyChildChild, PreschoolHumansIncidencePenicillin ResistanceTonsillectomy--adverse effectsbeta-Lactamases--metabolism