2437
In addition to this , when high concentrations of Mesna were administered alone significant reductions of the PRI were noted , than with IFO acting at the same concentration on the lymphocytes .
 Chemical: Mesna; Chemical: IFO
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: Mesna; Chemical: IFO