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1 ene 1974 año - Tommy John Surgery Invented

Descripción:

In 1974, orthopedic surgeon Dr. Frank Jobe developed a surgical procedure that aimed to repair damage to the ulnar collateral ligament (UCL)

Añadido al timeline:

Technological Advancements of Baseball

23 feb 2019

17

11

17600

fecha:

1 ene 1974 año

Ahora mismo

~ 51 years ago

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