adult hamsters bearing the carcinoembryonic antigen-producing , gw-39 human colonic tumor xenograft were given injections of 131i-labeled , goat anti-carcinoembryonic antigen antibody , and after 6 , 24 , or 48 h , an injection of donkey anti-goat immunoglobulin was given at sa : pa ratios of 25 , 50 , 100 , or 200:1 .
C0086418
human
C0007082
carcinoembryonic antigen