18856
CSC properties were analyzed with assays for cell proliferation , chemosensitivity , in vitro and in vivo tumor formation ability , cell surface antigens and intracellular aldehyde dehydrogenase ( ALDH ; a known CSC marker ) activities .
 Chemical: aldehyde
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: aldehyde