Karl Landsteiner blood group A nor of blood group B. Therefore, the immune systems of persons with blood group A, B or AB do not refuse the donation. Further, because persons with blood group AB do not form antibodies against either the antigens of blood group A or B, they can accept blood from persons with these blood groups, besides from persons with blood group O-negative. In today's blood transfusions only concentrates of red blood cells without serum are transmitted, which is of great importance in surgical practice. In 1930 Landsteiner was awarded the Nobel Prize in Physiology or Medicine in recognition
Nobel Prize controversies for this line of research. "Encyclopædia Britannica"'s guide to Nobel Prizes in cancer research mentions Yamagiwa's work as a milestone without mentioning Fibiger. The 1923 prize was awarded to Frederick Banting and John Macleod "for the discovery of insulin". Banting clearly deserved the prize, however, the choice of Macleod as co-winner was controversial. Banting felt that Charles Best was the proper corecipient, while Macleod had merely given them lab space at the University of Toronto while Macleod was away for the summer. However, on his return, Macleod pointed out some flaws in their experimental design and gave them advice about