well-characterized , commercially available antibodies to carcinoembryonic antigen ( cea ) , a high- and low-molecular-weight keratin , vimentin , epithelial membrane antigen , human milk fat globule , leu-m1 , tag-72 ( identified by monoclonal antibody b72.3 ) , beta 1 pregnancy-specific glycoprotein ( sp1 ) , human placental lactogen , secretory component ( sc ) , ca19-9 , and s-100 protein were used .
C0042666
vimentin
C0086418
human