de Zoysa, N S2009-05-282009-05-281985-03-01de Zoysa NS. The distribution of ABO and rhesus (Rh) blood groups in Sri Lanka. The Ceylon Medical Journal. 1985 Mar; 30(1): 37-41http://imsear.searo.who.int/handle/123456789/48692The Ceylon Medical Journal.engABO Blood-Group System --geneticsEthnic GroupsHumansPhenotypeRh-Hr Blood-Group System --geneticsSri LankaThe distribution of ABO and rhesus (Rh) blood groups in Sri Lanka.Journal Article