title: [Method of increasing the specificity of polyvalent ram coli-sera].
mesh_terms: D000818:Animals; D000918:Antibody Specificity / Q000187:drug effects*; D004926:Escherichia coli / Q000276:immunology*; D004975:Ethacridine / Q000276:immunology; D007106:Immune Sera / Q000276:immunology*; D008297:Male; D012756:Sheep / Q000276:immunology
chemical_list: D007106:Immune Sera; D004975:Ethacridine
vernacular_title: Metod povysheniia spetsifichnosti polivalentnykh baran'ikh koli-syvorotok.