evidencegaps
Primary study · included by 1 review

Association between periodontitis and chronic obstructive pulmonary disease in a Chinese population.

Si 2012 · Si Yan, Fan Hong, Song Yiqing, et al. · Journal of periodontology · 2012

Included by

Linking lungs and gums: a meta-analysis of periodontitis prevalence and severity in chronic obstructive pulmonary disease.
Non-Cochrane · aetiology · 2026 · cited as Si 2012 · Table 2; References 22-62

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

1 including review in total.