1835
We measured the manganese - enhanced pancreatic R1 before cyclophosphamide injection ( day 0 ) and on days 3 , 4 , 5 , and 7 afterward .
 Chemical: manganese; Chemical: cyclophosphamide
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: manganese; Chemical: cyclophosphamide