8056
In summary , PEG - b - PCL micelles enable the IP combination drug delivery of paclitaxel , cyclopamine and gossypol , resulting in tumor growth inhibition and prolonged survival over paclitaxel alone .
 Chemical: PEG - b - PCL; Chemical: paclitaxel; Chemical: cyclopamine; Chemical: gossypol; Chemical: paclitaxel
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: PEG - b - PCL; Chemical: paclitaxel; Chemical: cyclopamine; Chemical: gossypol; Chemical: paclitaxel