Distinguishing the Signals of Gingivitis and Periodontitis in Supragingival Plaque: a Cross-Sectional Cohort Study in Malawi - Shaw, Liam; Harjunmaa, Ulla; Doyle, Ronan; Mulewa, Simeon; Davie, Charlie; Maleta, Ken; Callard, Robin; Walker, Sarah A; Balloux, Francois; Ashorn, Per; Klein, Nigel (2016)