Boyd, W C. 1950. Genetics and the Races of Man. Oxford and Boston. Boyd, W C, and Boyd, Lyle G. 1937. New data on blood groups and other inherited factors in Europe and Egypt. Amer J phys Anthrop, 23, ...
A major retrospective study shows that people with blood group A face a higher likelihood of autoimmune liver disease, especially primary biliary cholangitis, while those with blood group B appear ...