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mar 1, 1914 - Electrocardiograph

Description:

First use of electrocardiograph

Added to timeline:

History & Dietetics

ByKatelynne Burghardt, MS, RDN, LD, CEDRD (She/Her)

22 Apr 2021

0

0

1505

Date:

mar 1, 1914

Now

~ 112 years ago

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