13609
BPA was detected in 52 . 8 % of serum samples with a median concentration of 0 . 33 ( range 0 - 66 . 91 ) ng / mL .
 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