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evidence
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Studies
Primary study · included by 1 review
Hayes 1998
Included by
Association between periodontal disease and chronic obstructive pulmonary disease: an umbrella review.
Non-Cochrane · umbrella · 2026 · cited as Hayes 1998 · Supp 6 (overlap table)
The review does not say which of its outcomes this study informs.
1 including review in total.