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Electrocardiogram on a blue screen

Stock Photo:
Image ID: 93502912
Copyright:
Small
500x281 6.9"x3.9" (72dpi) 77 KB
Med
1000x561 3.3"x1.9" (300dpi) 230 KB
Large
6600x3700 22.0"x12.3" (300dpi) 2.7 MB
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