-
used bloodletting to try to cure diseases
-
Distinguished between arteries and veins
-
viewed blood cells under a microscope
-
-
discovers three blood types;A, b, O
-
discovered fourth blood types;AB
-
established the first blood donor service
-
developed a method to store blood transfusions
-
established the first blood for transfusions
-
discovers the Rh protein
-
of aids recorded in the Congo
-
identified the virus causing AIDS
-
test to screen for diseases such as HIV
-
began developing blood screenings test for infectious diseases