![](http://www.alamy.com/thumbs/6/E369ABE0-D619-4050-A29A-39C4E750540C/2HJ8GW1.jpg)
hand of a man measuring the oxygenation and pulse of the heart with oximeter
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Photo credit: © easyclickshop / Alamy / Afripics
License: Royalty Free
Model Released: No
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