2434
IFO and Mesna were administrated separately on rabbit ' s lymphocytes in vivo , which were later developed in vitro .
 Chemical: IFO; Chemical: Mesna
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: IFO; Chemical: Mesna