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Who discovered Circulation of blood?
Who discovered Cryo-Surgery?
Who discovered D.D.T. (Dichloro-Diphenyl-Trichloroethane)?
Who discovered Electro-cardiograph?
Who discovered Electro-encephalogram?
Who discovered First Test Tube Baby?
Who discovered Genes associated with Cancer (Oncogenes)?
Who discovered Heart Transplant Surgery?
Who discovered Hypodermic Syringe?
Who discovered Insulin for Diabetes?
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