the plaque forming cell ( pfc ) and proliferative responses of human peripheral blood lymphocytes and highly purified blood b cells induced by pokeweed mitogen ( pwm ) and group a streptoccocal cell membranes ( a-scm ) were compared with the responses triggered by various cell preparations of klebsiella pneumoniae k 43 ( klebs ) .
C0007634
cell
C0007603
cell membranes