3185
The average coefficient of variation between assays for gas chromatography mass spectrometry was 5 . 8 % and for radioimmunoassay was 12 . 3 % , while the average coefficient of variation within assays for gas chromatography mass spectrometry was 4 . 9 % and for radioimmunoassay 6 . 9 % .
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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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