EECP treatment is administered through three sets of cuffs that are applied around the calves, thighs, and buttocks. The cuffs inflate and deflate synchronized with the heartbeat using an electrocardiograph (ECG). EECP increases blood flow to the heart while stimulating the formation of new collater...
What does Paragraph 4 mainly talk about？ （）Which of the following is right according to the 2nd paragraph（） A. Garden-related expenditure this year is more or less the same as that of last year B. Many retailers are offering deep discounts C. ...
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