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Two - dimensional echocardiographic parasternal long - and short - axis views were obtained during graded bleeding by rapid withdrawal of blood from an arterial cannula , with increments of 5 % each up to 30 % of calculated blood volume .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None