we investigated the role of syngeneic plasmacytomas in the hematologic response to tumor cell transplantation by assaying the production of granulocyte-macrophage colony-stimulating activity ( gm-csa ) by cultured spleen cells of tumor-bearing mice and by plasmacytoma cells , alone and in coculture with spleen cells .
C0037999
spleen
C0037993
spleen