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The results revealed that c ( RGDfK ) modified micelles showed strong affinity to T - 24 cells and strong inhibitory effect on the proliferation of T - 24 cells when doxorubicin drug was loaded , indicating the high affinity of c ( RGDfK ) to bladder cancer cells .
 Chemical: doxorubicin
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: doxorubicin