30576
To help others who may want to use the same methods in the future , the authors would like to correct the wording to : " The peptide mass tolerance and fragment mass tolerance values were 30 ppm and 0 . 15 Da , respectively .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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