a conjugate of a hapten ( nip ) and a strongly antigenic protein chicken gamma globulin ( cgg ) , when injected in soluble form into mice , induced weak primary responses , as weak as responses induced by conjugates of nip ( or other haptens ) to polysaccharides ficoll or alpha ( -1-6 ) dextran .
C0032594
polysaccharides
C0016071
ficoll