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We also examined the effects of bisphenol A ( BPA ) , an estrogen mimic that alters development of the female mouse mammary gland .
 Chemical: bisphenol A; Chemical: BPA; Chemical: estrogen
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: bisphenol A; Chemical: BPA; Chemical: estrogen