1350
A study was performed to compare the ONLINE and EMIT II immunoassays with gas chromatographic / mass spectrometric ( GC / MS ) analysis of methaqualone metabolites on urine using samples obtained from a clinical study .
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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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