The Association of Gum Bleeding with Respiratory Health in a Population Based Study from Northern Europe.
Gómez Real F, Pérez Barrionuevo L, Franklin K, Lindberg E, Bertelsen RJ, Benediktsdóttir B, Forsberg B, Gislason T, Jögi R, Johannessen A, Omenaas E, Saure E, Schlünssen V, Skorge TD, Torén K, Pérez Saavedra A, Svanes Ø, Åstrøm AN, Janson C, Svanes C.
PLoS One. 2016 Jan 25;11(1):e0147518. doi: 10.1371/journal.pone.0147518. eCollection 2016.