title: Prevalences of various bioactive Escherichia coli strains isolated from clinical materials in Tokyo area in 1978.
mesh_terms: D000818:Animals; D002645:Chickens; D004926:Escherichia coli / Q000145:classification* / Q000276:immunology / Q000472:pathogenicity; D006168:Guinea Pigs; D006801:Humans; D013997:Time Factors; D014041:Tokyo