How to explain outcome differences in dyspepsia studies
Fennerty M, Laine L. How to explain outcome differences in dyspepsia studies. 2000, 421-425. DOI: 10.1007/978-94-011-3927-4_44.ChaptersNon-ulcer dyspepsiaPylori infectionAdequate observation periodPlacebo-controlled trialPeptic ulcer diseaseCause of symptomsH. pylori infectionHelicobacter pylori infectionClinical treatment trialsMajor aetiological factorUlcer diseaseTreatment trialsUpper abdomenAetiological factorsEarly trial resultsStudy populationOutcome differencesEpidemiological studiesH. pyloriDyspepsiaDiscordant resultsTrial resultsObservation periodSerious methodological deficienciesTrials