Primary study · included by 1 review

National oral health survey Zimbabwe 1995: periodontal conditions.

Frencken 1999 · Frencken J E, Sithole W D, Mwaenga R, et al. · International dental journal · 1999

Included by

Prevalence of Periodontitis in Africa: A Systematic Review and Meta-Analysis of Epidemiological Studies Up to 2025.
Non-Cochrane · prognostic · 2026 · cited as Frencken 1999 · Table 1; References

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

1 including review in total.