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Influence of copper salts on gonococci.
  1. G Johannisson,
  2. A Karamustafa,
  3. J Brorson


    No difference in the incidence of gonorrhoea was observed at a venereal disease clinic between women using a copper-coil intrauterine device (IUD) and women using oral contraceptives. Experiments in vitro demonstrated that copper sulphate has a deleterious effect on Neisseria gonorrhoeae, but the presence of serum protects the gonococci from the toxic effect of copper ions.

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