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Effects of 17alpha - ethinylestradiol ( EE ) on the neutral and acidic biosynthetic pathways of bile salt ( BS ) synthesis were evaluated in rats with an intact enterohepatic circulation and in rats with long - term bile diversion to induce BS synthesis .
 Chemical: 17alpha - ethinylestradiol; Chemical: EE; Chemical: bile salt; Chemical: BS; Chemical: BS
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: 17alpha - ethinylestradiol; Chemical: EE; Chemical: bile salt; Chemical: BS; Chemical: BS