Faizuddin, M Association between long-term aspirin use and periodontal attachment level in humans: a cross-sectional investigation. [electronic resource] - Australian dental journal Mar 2012 - 45-50 p. digital Publication Type: Controlled Clinical Trial; Journal Article ISSN: 1834-7819 Standard No.: 10.1111/j.1834-7819.2011.01650.x doi Subjects--Topical Terms: Aspirin--administration & dosageChi-Square DistributionCross-Sectional StudiesCyclooxygenase Inhibitors--administration & dosageFemaleHumansMaleMiddle AgedOral Hygiene IndexPeriodontal Attachment Loss--prevention & controlPeriodontal IndexRegression AnalysisStatistics, Nonparametric