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Who is the founder of RH factor |
| Answer» KARL LandsteinerKarl Landsteiner (1868-1943) discovered the Rh factor—a type of protein, or antigen, on the surface of red blood cells—in 1940. Most people are Rh positive. But if a pregnant WOMAN is Rh negative and her FETUS is Rh positive, her body may MOUNT an immune RESPONSE against the fetus's blood and cause harm. | |