evidencegaps
Primary study · included by 1 review

Periodontal health and serum, saliva matrix metalloproteinases in patients with mild chronic obstructive pulmonary disease.

Yildirim 2013 · Yıldırım E, Kormi I, Başoğlu Ö K, et al. · Journal of periodontal research · 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 Yildirim 2013 · Table 2; References 22-62

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

1 including review in total.