@article{3dbb509d06f84281a73bf9408c988375,
title = "Periodontitis in early and chronic rheumatoid arthritis: a prospective follow-up study in Finnish population",
keywords = "Arthritis, Inflammation, Periodontitis, Porphyromonas gingivalis, Rheumatoid",
author = "L {\"A}yr{\"a}v{\"a}inen and M Leirisalo-Repo and A Kuuliala and K Ahola and R Koivuniemi and JH Meurman and AM Heikkinen",
year = "2017",
month = jan,
doi = "10.1136/bmjopen-2016-011916",
language = "English",
volume = "7",
number = "1",
}