evidencegaps
Primary study · included by 1 review

Comparative evaluation of serum cotinine levels in chronic periodontitis and chronic obstructive pulmonary disease.

Kedlaya 2021 · Kedlaya Madhurya Nagaraj, Ramesh Amitha, Hosmane Giridhar Belur, et al. · Journal of Indian Society of Periodontology · 2021

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 Kedlaya 2021 · Table 2; References 22-62

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

1 including review in total.