A prospective 12-month study of the effect of smoking cessation on periodontal clinical parameters - Rosa, Ecinele Francisca; Corraini, Priscila; Carvalho, Verônica Franco de; Inoue, Gislene; Gomes, Elaine Fueta; Lotufo, João Paulo Becker; De Micheli, Giorgio; Pannuti, Cláudio Mendes (Journal of Clinical Periodontology, 2011)