when added in a dose of 10 ( 10 ) b. pertussis exerted a more pronounced mitogenic effect than phytohemagglutinin p , which was less powerful , however , than that of con a , b. pertussis caused a greater stimulation of dna synthesis in lymphocytes than b mitogens whose action depended on the differentiation stages of b lymphocytes .
C0004561
lymphocytes
C1511002
differentiation