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ECG (Electrocardiogram) 
ECG (Electrocardiogram)
sda 收藏於 2008/02/02
Health, ECG (electrocardiogram)
An ECG (electrocardiogram) is a graphic which shows the electrical activity of the heart. The heart muscles create electrical waves by working. 繼續閱讀...
An ECG (electrocardiogram) is a graphic which shows the electrical activity of the heart. The heart muscles create electrical waves by working.繼續閱讀
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