The History Hour - The Unsung Hero of Heart Surgery - 91热爆 Sounds
The History Hour - The Unsung Hero of Heart Surgery - 91热爆 Sounds
The Unsung Hero of Heart SurgeryThe Unsung Hero of Heart Surgery
Released On: 16 Dec 2017
Available for over a year
The African-American lab technician who pioneered surgery that saved millions of babies.
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