[Immunochemical study of Escherichia coli serogroup O20 antigens].
D000942:Antigens, Bacterial / Q000032:analysis*; D011232:Chemical Precipitation; D004058:Diffusion; D004926:Escherichia coli / Q000276:immunology*; D007122:Immunoelectrophoresis
D000942:Antigens, Bacterial
Imunokhimichne doslidzhennia antyheniv Escherichia coli serohrupy O20.