On the drug-resistance of enteric bacteria. 6. Spontaneous and artificial elimination of transmissible drug-resistance factors.
D001692:Biological Transport; D004755:Enterobacteriaceae; D004926:Escherichia coli / Q000235:genetics*; D011815:R Factors; D012475:Salmonella / Q000235:genetics*; D012760:Shigella / Q000235:genetics*
ESCHERICHIA COLI/genetics; SALMONELLA/genetics; SHIGELLA/genetics