Okumu, Gabriel Effect of emergency major surgery on CD4 cell count in HIV positive and negative patients in Mulago Hospital: a prospective cohort study / by Gabriel Okumu. - Kampala: Makerere University, 2009. - xii, 56 leaves: ill.; 30 cm. Thesis (MMed, SURG. ) - Makerere University, 2009. Includes bibliographical references ( p. 39 - 42). Subjects--Topical Terms: Emergencies.Surgery.