evidencegaps
Primary study · included by 1 review

Identification of Helicobacter pylori DNA in the mouths and stomachs of patients with gastritis using PCR.

Mapstone et al. (1993) · Mapstone N P, Lynch D A, Lewis F A, et al. · Journal of Clinical Pathology · 1993

Included by

Site-stratified global oral Helicobacter pylori prevalence: an updated meta-analysis of dental plaque and saliva studies (1989-2026).
Non-Cochrane · other · 2026 · cited as Mapstone 1993 · Supplementary Table S1 (from Anand et al. 2025 Table 1)

The review does not say which of its outcomes this study informs.

1 including review in total.