suppression of progenitor cell proliferation noted after three injections of m-csf may at least partially explain why repeated injections of 20,000 units of m-csf fails to increase bone marrow , spleen , or blood cellularity even though one injection of m-csf increases cycling rates of the hematopoietic progenitors .
C0037993
spleen
C0018957
hematopoietic