1279
The monkeys had been administered a common lead isotope " mix " at the rate of about 1300 micrograms Pb / kg body wt / day from age 10 months until the start of the 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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