2104
To estimate the pump pulsatility without any specific sensor , we calculated the index of current amplitude ( ICA ) , which was obtained from the amplitude of the motor current waveform divided by the simultaneous mean value .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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