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To assess the effect of ketoconazole on BMS - 690514 pharmacokinetics , 17 healthy volunteers received 200 mg BMS - 690514 alone followed by 100 mg BMS - 690514 with ketoconazole ( 400 mg once daily for 4 days ) .
 Chemical: ketoconazole; Chemical: BMS - 690514; Chemical: BMS - 690514; Chemical: BMS - 690514; Chemical: ketoconazole
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ketoconazole; Chemical: BMS - 690514; Chemical: BMS - 690514; Chemical: BMS - 690514; Chemical: ketoconazole