Museleta, Nyakiroto Serum selenium levels in patients with cancer of the esophagus at Mu lago National Referral Hospital: a case control study/ by Nyakiro to Museleta. - Kampala : Makerere University , 2012. - x,37 leaves: ill.; 30 cm. Thesis MMed ( Surgery) - Makerere University, 2012. Includes bibliographical references ( p.33 - 37). Subjects--Topical Terms: Esophageal Neoplasms.