Dr. Patricia Bath became the first black female doctor to receive a medical patent after she invented a more precise treatment of cataracts.
from The Boston Globe http://bit.ly/2XEgzE8
Neil Genzlinger
Dr. Patricia Bath became the first black female doctor to receive a medical patent after she invented a more precise treatment of cataracts.
https://ift.tt/eA8V8J June 07, 2019 at 01:58AM
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