the production of mif by splenic lymphocytes from immunized c57bl/6 mice depended upon the conditions under which the lymphocytes were cultured , the time of exposure to antigen ( 3 days ) , the use of a higher concentration of ppd for stimulation of lymphocytes than that required for guinea pig cells , and also the use of cells from a highly inbred mouse strain .
C0003320
antigen
C0024262
stimulation