title: Potential reverse causation?
authors.affiliation: Department of General Dentistry, Boston University H. M. Goldman School of Dental Medicine, Boston, MA.|Department of Periodontology, Boston University H. M. Goldman School of Dental Medicine, Boston, MA.
authors.forename: Sok-Ja
authors.initials: SJ
authors.lastname: Janket
authors.affiliation: Department of Public Health, University of Massachusetts, Lowell, MA.
authors.forename: Leland K
authors.initials: LK
authors.lastname: Ackerson
authors.affiliation: Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
authors.forename: Jukka H
authors.initials: JH
authors.lastname: Meurman
mesh_terms: D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000209:etiology*; D010518:Periodontitis / Q000150:complications* / Q000276:immunology