4101
Amitriptyline ( 50 mu M ) prolonged the APD ( 50 ) and APD ( 80 ) ( p < 0 . 001 ) and the maximum rise slope of AP was reduced by amitriptyline ( p < 0 . 0001 ) .
 Chemical: Amitriptyline; Chemical: amitriptyline
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: Amitriptyline; Chemical: amitriptyline