Yousuf, M Need and duration of antibiotic therapy in clean and clean contaminated operations. [electronic resource] - JPMA. The Journal of the Pakistan Medical Association Jul 2002 - 284-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0030-9982 Subjects--Topical Terms: AdolescentAdultAgedAnti-Bacterial Agents--administration & dosageAntibiotic ProphylaxisChildChild, PreschoolCohort StudiesDose-Response Relationship, DrugDrug Administration ScheduleFemaleFollow-Up StudiesHumansMaleMiddle AgedNeeds AssessmentOperating RoomsPakistanPerioperative CareSurgical Procedures, Operative--adverse effectsSurgical Wound Infection--epidemiologyTreatment Outcome