25583
Autoradiography imaging confirmed that TAT - 59 was directly delivered to the milk duct using IP administration .
 Chemical: TAT - 59
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: TAT - 59 
Answer:
 Chemical: TAT - 59