1 the incorporation of [ 3h ] -thymidine into guinea-pig lymphocytes stimulated by a plant lectin ( concanavalin a ) , soluble antigen ( tuberculin ( p.p.d . ) ) and syngeneic hepatoma cells , was partially inhibited ( 50 % ) by histamine in vitro .
C0304052
plant lectin
C0009630
concanavalin a