History, 01.07.2021 08:30 diego481

Which of the following medical advancements occurred during the 1950s? OOO
The first successful orthopedic surgery.
A vaccine for chicken pox eliminated the disease in the U. S.
Surgeons began replacing worn-out heart valves with artificial ones.
Doctors began treating cancer patients with chemotherapy.

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Which of the following medical advancements occurred during the 1950s? OOO
The first successf...

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