cell hybridization of phytohemagglutinin ( pha ) -stimulated human peripheral blood lymphocyte ( pbl ) with murine lymphoma ( el-4 ) provided three hybridomas ( mhh-16 , mhh-20 , and mhh-22 ) which spontaneously produced human mitogenic factor ( mf ) .
C0086418
human
C0021756
mitogenic factor