17857
We hypothesized that prenatal BPA exposure alters sex - specific ESR1 ( ER alpha ) and ESR2 ( ER beta ) expression in postnatal limbic nuclei .
 Chemical: BPA
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: BPA