18893
Some lines of evidence have also suggested links between cellular camptothecin resistance , the existence of a subset of tumor - initiating cells and miRNA deregulation .
 Chemical: camptothecin
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: camptothecin