Primary study · included by 1 review

Dental health in smokers with and without COPD.

Bergstrom 2013 · Bergström Jan, Cederlund Kerstin, Dahlén Barbro, et al. · PloS one · 2013

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 Bergstrom 2013 · Table 2; References 22-62

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

1 including review in total.