Periodontitis as a potential risk factor for chronic obstructive pulmonary disease: A retrospective study
2009 ◽
Vol 20
(4)
◽
pp. 466
◽
2016 ◽
Vol 194
(4)
◽
pp. 429-438
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2007 ◽
Vol 14
(9)
◽
pp. 989-992
◽
2006 ◽
Vol 3
(4)
◽
pp. 233-242
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