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Sex Hormones was discovered in which year?
Small Pox eradicated was discovered in which year?
Stethoscope was discovered in which year?
Streptomycin was discovered in which year?
Synthetic antigens was discovered in which year?
Terramycin was discovered in which year?
Typhus Vaccine was discovered in which year?
Use of artificial heart (for surgery) was discovered in which year?
Vaccination was discovered in which year?
Virology was discovered in which year?