title: R-plasmids in Klebsiella pneumoniae isolated from urine and purulent fluids.
mesh_terms: D001437:Bacteriuria / Q000382:microbiology*; D006801:Humans; D007711:Klebsiella pneumoniae / Q000235:genetics* / Q000302:isolation & purification; D011815:R Factors; D013492:Suppuration / Q000382:microbiology*