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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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25 jun 1936 año - Dr. Albert S. Hyman demonstrated a pacemaker
Añadido al timeline:
Progression of Health Technologies Timeline
By
Fareed Rasul
26 sep 2017
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fecha:
25 jun 1936 año
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~ 89 years ago
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