title: Introductory immunologic studies on human gastrointestinal tract tumors.
mesh_terms: D000042:Absorption; D000645:Ammonium Sulfate; D000818:Animals; D000918:Antibody Specificity; D000951:Antigens, Neoplasm / Q000032:analysis*; D003110:Colonic Neoplasms / Q000276:immunology; D003429:Cross Reactions; D004938:Esophageal Neoplasms / Q000276:immunology; D005770:Gastrointestinal Neoplasms / Q000276:immunology*; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007413:Intestinal Mucosa / Q000276:immunology; D011233:Precipitin Tests; D011817:Rabbits / Q000276:immunology; D012004:Rectal Neoplasms / Q000276:immunology; D013274:Stomach Neoplasms / Q000276:immunology; D005719:gamma-Globulins / Q000302:isolation & purification
chemical_list: D000951:Antigens, Neoplasm; D007106:Immune Sera; D005719:gamma-Globulins; D000645:Ammonium Sulfate