1. [Occurrence of antibiotic resistent strains of E. coli in the pig] Author H, Willinger and E, Genis Subjects Paper, Swine Diseases, Dihydrostreptomycin Sulfate, Colistin, Swine, Furazolidone, Drug Resistance, Microbial, Neomycin, Microbial Sensitivity Tests, Tetracycline, Hemolysis, Anti-Bacterial Agents, Diffusion, Agar, Chloramphenicol, Kanamycin, Escherichia coli, Animals, Serotyping, Escherichia coli Infections Published 1968