title: [Studies of tissue polypeptide antigen in gastrointestinal cancer].
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis*; D005770:Gastrointestinal Neoplasms / Q000276:immunology*; D006801:Humans; D010455:Peptides / Q000032:analysis*; D019396:Tissue Polypeptide Antigen
chemical_list: D000951:Antigens, Neoplasm; D010455:Peptides; D019396:Tissue Polypeptide Antigen