9351
A-myb is expressed in a subpopulation of normal B lymphocytes activated in vivo and localised in the germinal center of peripheral lymphoid organs and is not detected at significant levels in all other mature or immature haematopoietic populations studied, including bone marrow cells , T lymphocytes , granulocytes , monocytes , either at rest or after in vitro activation .
 A-myb, immature haematopoietic populations, monocytes, T lymphocytes, normal B lymphocytes, bone marrow cells, granulocytes
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, immature haematopoietic populations, monocytes, T lymphocytes, normal B lymphocytes, bone marrow cells, granulocytes