23970
The objectives of this study were to characterize the functionality of drug - responsive CD8 + T - cell clones generated from HLA - B * 57 : 01 + drug - naive subjects and to explore the relationship between abacavir accumulation in antigen presenting cells and the T - cell response .
 Chemical: abacavir
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: abacavir