1. Tribal incidence of lactase deficiency in Uganda;Cook, G.C.; Kajubi, S.K.;ILancet,1966
2. Genetics of lactose digestion in humans;Flatz, G.;Adv Hum Genet,1987
3. The inheritance of selective adult-type lactose malabsorption;Sahi, T.;Scand J Gastroenterology,1974
4. Recessive inheritance of the adult type of intestinal lactase deficiency;Lisker, R.; Gonzalez, B.; Daltabuit, M.;Am JT Hum Genet,1975
5. A genetic study of lactose digestion in Nigerian families;Gastroenterology,1975