title: Natural antibodies in normal human sera againist the Ehrlich mouse ascites tumour identified with the aid of complement components, utilizing classical reagents.
mesh_terms: D000818:Animals; D000906:Antibodies; D002286:Carcinoma, Ehrlich Tumor / Q000276:immunology*; D002859:Chromium Isotopes; D003168:Complement Fixation Tests; D046508:Culture Techniques; D003601:Cytotoxicity Tests, Immunologic; D006801:Humans; D007202:Indicators and Reagents; D008099:Liver / Q000276:immunology; D051379:Mice; D051381:Rats; D012517:Sarcoma, Yoshida / Q000276:immunology*
chemical_list: D000906:Antibodies; D002859:Chromium Isotopes; D007202:Indicators and Reagents