Rh system
Landsteiner and Wiener, 1940; clinical importance established by Levine and Stetson, 1939 (haemolytic disease of the newborn). D antigen presence defines Rh-positive; absence defines Rh-negative.
Landsteiner and Wiener, 1940; clinical importance established by Levine and Stetson, 1939 (haemolytic disease of the newborn). D antigen presence defines Rh-positive; absence defines Rh-negative.
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