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In long - standing secondary hyperparathyroidism , OCT ( 0 . 03 microg / kg ) stabilized serum PTH levels during the first months .
 Disease: secondary hyperparathyroidism; Chemical: OCT
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: secondary hyperparathyroidism; Chemical: OCT