February 20, 2019
Rose
Battery-powered pacemakers have to be replaced every five to 12 years. So, some scientists have been working an alternative: battery-free pacemakers that in theory would never have to be replaced.
from WebMD Health https://ift.tt/2VdMsSJ
February 20, 2019
Rose
Healthy Living, WebMD Health
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from WebMD Health https://ift.tt/2VdMsSJ
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