3951
After atropine the CD25 was unchanged after placebo ( 2 . 3 + / - 0 . 3 micrograms ) and atenolol ( 7 . 7 + / - 1 . 3 micrograms ) ; it was reduced after propranolol ( 24 . 8 + / - 5 . 0 micrograms ) , but remained different from atenolol .
 Chemical: atropine; Chemical: atenolol; Chemical: propranolol; Chemical: atenolol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: atropine; Chemical: atenolol; Chemical: propranolol; Chemical: atenolol