9541
By Calcein - AM / PI staining , BPA - f treatment was specific toward SH - SY5Y cells only : a dose - dependent cell density reduction was observed , with a more pronounced effect after 48h exposure ( 15 - 40 % at doses ranging 20 - 100 mu gBeq / ml ) .
 Chemical: Calcein - AM; Chemical: BPA - f
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Calcein - AM, BPA - f 
Answer:
 Chemical: Calcein - AM; Chemical: BPA - f