13643
The mechanism by which early lymphoid cells are selectively transformed by v-Abl is currently unknown.
 v-Abl, early lymphoid cells
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:
 v-Abl, early lymphoid cells