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Importantly , cell viability assay results reveal that LAP / DOX nanodisks display a much higher therapeutic efficacy in inhibiting the growth of a model cancer cell line ( human epithelial carcinoma cells , KB cells ) than free DOX drug at the same DOX concentration .
 Chemical: LAP; Chemical: DOX; Chemical: DOX; Chemical: DOX
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: LAP; Chemical: DOX; Chemical: DOX; Chemical: DOX