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In this review , we focus on the tiered in vivo PK approaches implemented at the Genomics Institute of the Novartis Research Foundation ( GNF ) , which includes snapshot PK , rapid PK and full PK studies .
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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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