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RESULTS : In Nx dogs , OCT significantly decreased serum PTH levels soon after the induction of renal insufficiency .
 Chemical: OCT; Disease: renal insufficiency
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: OCT, renal insufficiency 
Answer:
 Chemical: OCT; Disease: renal insufficiency