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Periodontal Disease and Risk of Chronic Obstructive Pulmonary Disease: A Meta-Analysis of Observational Studies
Zeng XT,
Tu ML,
Liu DY,
Zheng D,
Zhang J,
et al.
(2012)
Periodontal Disease and Risk of Chronic Obstructive Pulmonary Disease: A Meta-Analysis of Observational Studies.
PLOS ONE 7(10): e46508.
https://doi.org/10.1371/journal.pone.0046508