A lack of evidence for down-modulation of CD3 zeta expression in colorectal carcinoma and pregnancy using multiple detection methods. - Deakin,A.M.; Singh,K.; Crowe,J.S.; Ellis,J.H.; Dalgleish,A.; Leicester,R.J.; Finlayson,C.J.; Miles,W.F.; Life,P.F. (Clin Exp Immunol, 1999)