17946
For analyses , enzyme - linked immunosorbent assay , high - performance liquid chromatography , capillary electrophoresis , gas chromatography coupled with mass spectrometry and liquid chromatography coupled with tandem mass spectrometry have commonly been used .
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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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