Tumuhairwe,Joel Kenneth M. The prevalence of blood group O rhesus negative mothers, attending a ntenatal clinics in Mulago hospital / Tumuhairwe Joel Kenneth M. - Kampala, 2003. - xii, 41 p. : ill. ; 30 cm. Dissertation (BBLT)-Makerere University,2003. Includes bibliographical references. Subjects--Topical Terms: Blood groups. Dewey Class. No.: 612.11825