1535
However , the maximal reduction in body weight seen in animals that received polymer - bound DOX ( 4 mg / kg ) was significantly lower than that observed in those that received free DOX ( 4 mg / kg ) or a mixture of the unmodified parent HPMA copolymer and free DOX ( 4 mg / kg ; P less than 0 . 01 ) .
 Chemical: DOX; Chemical: DOX; Chemical: HPMA; Chemical: DOX
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: DOX; Chemical: DOX; Chemical: HPMA; Chemical: DOX