Experiments with blood transfusions, the transfer of blood or blood components into a person's blood stream, have been carried out for hundreds of years. Many patients have died and it was not until 1901, when the Austrian...read more
Blood groups were discovered by Landsteiner. Two major classification systems are used for grouping blood. They are based on the presence of different antigens (proteins) in the blood cells. These systems are the 'ABO syst...read more
by Sanjukta Ray
Blood groups were discovered by Karl Landsteiner in the year 1901.After observing the interaction between red cells and plasma of a large number of subjects,Landsteiner demonstrated that human beings can be divided into se...read more
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