Accuracy of diagnostic methods used for epidemiological studies of Helicobacter pylori.

@article{Feldman1995AccuracyOD,
  title={Accuracy of diagnostic methods used for epidemiological studies of Helicobacter pylori.},
  author={Ronen. Feldman and Stephen Jw Evans},
  journal={Alimentary pharmacology & therapeutics},
  year={1995},
  volume={9 Suppl 2},
  pages={
          21-31
        }
}
Epidemiological studies involve groups of individuals, or whole populations, many or most of whom are not ill. Clinical investigation has an individual perspective and precise statements need to be made about the individual alone. Serological methods are most commonly used for population-based epidemiological studies. Non-invasive epidemiological methods, using breath tests or the study of saliva or urine, are increasing in use. All methods depend on accuracy in identifying presently infected… CONTINUE READING

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