evidencegaps
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

Association between periodontal disease and chronic obstructive pulmonary disease: an umbrella review.
Non-Cochrane · umbrella · 2026 · cited as Harland 2018 · Supp 6 (overlap table)

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

1 including review in total.