4Gold P, Freedam SO. Demonstration of tumor-specific antigens in human colonic carcinoma by immunological tolerance and absorption techniques. J Exp Med,1965,121:399.
5Patzke B, Klapdor R, Meyer-pannwth U, et al. TAG72 in comporison to CA19 - 9 CEA and CA125 in diagnosis and follow up ofstomach cancer · W. Zuckschwerdt Munchen- Bern - Wien - San Francisco,1990.31.
7Go VIW, Ammon HV, Holtermuller KH, et al, Quantification of carcinoembryonic antigen like activites in normal humen gastrointestinal secretion. Cancer, 1975,36:2438.