4995
Among 24 ALL , 6 were of the null and 11 of the common type and all these were negative for A-myb expression ; on the other hand, all 7 B- ALL cases ( slg+ ), as well as one fresh BL case with bone marrow infiltration , expressed A-myb .
 A-myb, A-myb
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:
 A-myb, A-myb