15146
The specificity of polymer conjugates based on N - ( 2 - hydroxypropyl ) methacrylamide ( HPMA ) bearing cytostatic drugs for cancer cells could be significantly increased by the incorporation of a suitable targeting ligand , such as a monoclonal antibody ( mAb ) .
 Chemical: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA
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: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA