4673
Both algorithms have been implemented and applied to data simulated for a scanner with a large axial aperture ( 30 degrees ) , and also to data acquired with the ECAT HR and the ECAT HR + scanners .
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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:
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