4777
High levels of hLH-2 expression were observed in all cases of chronic myelogenous leukaemia ( CML ) tested, regardless of disease status.
 hLH-2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 hLH-2