Gaunt, F; Devine, M; Pennington, M; Vernazza, C; Gwynnett, E; Steen, N; Heasman, P; (2008) The cost-effectiveness of supportive periodontal care for patients with chronic periodontitis. Journal of clinical periodontology, 35 (8 Supp). pp. 67-82. ISSN 0303-6979 DOI: https://doi.org/10.1111/j.1600-051X.2008.01261.x Full text not available from this repository.