aliquots of human blood mononuclear cells were cultured in vitro in the absence or presence of varying concentrations of histamine ( 10 ( -3 ) -10 ( -8 ) m ) for 24 hr , mitomycin treated , washed , and cocultured with autologous indicator cells that were then stimulated by pha .
C1321301
blood mononuclear cells
C0007634
cells