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Daniel Hale Williams - Wikipedia
9 African American pioneers in medicine - American Heart Association
Daniel Hale Williams and the First Successful Heart Surgery
The legacy of Dr. Daniel Hale Williams, a heart surgery pioneer
Pioneers: The Black cardiologists who shaped medical practice
The legacy of Dr. Daniel Hale Williams, the first Black heart surgeon
Daniel Hale Williams Performed the First Successful Open ... - Biography
Who Was Dr. Daniel Hale Williams? - Jackson State University
First doctor to perform heart surgery was Black man - NewsNation
Harold on History - American College of Cardiology