431
In order to explore the cross - regulation of drug targets induced by a promiscuous drug , we searched and found that 259 out of 466 total drugs are multi - target drugs and 4 of these drugs act on multiple differentially regulated drug targets upon drug treatment .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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