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If karl had studied arts, it would not have discovered the different types of blood.
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The doctor E. Merlo would not have done the first transfusion of blood in the University of Buenos Aires if he hadn't known the types of blood
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If karl Landsteiner had not discovered the transfución of blood, many patients would have died during the surgeries
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If Karl had not discovered the transfusion of blood the Jehovah's Witnesses would have been happy
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Banks of blood would not have existed if Landsteiner hadn’t discovered the transfusion of blood
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If karl Landsteiner had not discovered the transfusion of blood, many soldiers would have died in the second world war.
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In the medicine scientific advances would not have done if Karl had not discovered the different types of blood.
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Many persons would have died on having tried to receive blood of other types if Karl hadn't discovered the types of blood
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I wouldn’t have donated blood to my girlfriend if they hadn’t found the type of blood B positive
