Primary study · included by 1 review

Periodontitis modifies the association between smoking and chronic obstructive pulmonary disease in Japanese men.

Harland 2018 · Harland Jane, Furuta Michiko, Takeuchi Kenji, et al. · Journal of oral science · 2018

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 Harland 2018 · Table 2; References 22-62

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

1 including review in total.