322
The methods used were the AOAC method of dilution and heating ; the addition of mercuric chloride , charcoal , and Carrez reagents at 2 different pH values ; and direct analysis of sample supernatants with no treatment ( control ) .
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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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