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In conclusion , the combined administration of BPT / CLZ is safe at doses used in the study , though the beneficial clinical effect of the combined administration has yet to be elucidated .
 Chemical: BPT; Chemical: CLZ
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:
 Chemical: BPT; Chemical: CLZ