16627
In female , but not male hearts , acute exposure to 1nM BPA , either alone or combined with 1nM 17 beta - estradiol ( E2 ) , during reperfusion resulted in a marked increase in the duration of sustained ventricular arrhythmias .
 Chemical: BPA; Chemical: 17 beta - estradiol
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; Chemical: 17 beta - estradiol