title: [Study of the R factor in E. coli strains excreted in human urine].
mesh_terms: D001437:Bacteriuria; D004926:Escherichia coli / Q000032:analysis*; D005827:Genetics, Microbial; D006801:Humans
vernacular_title: Emberi vizelettel ürített E. coli törzsek R-faktor hordozásának vizsgálata.