Engebretson Steven P, Hyman Leslie G, Michalowicz Bryan S
Department of Periodontology and Implant Dentistry, New York University College of Dentistry, New York, New York.
Department of Preventive Medicine, Stony Brook University School of Medicine, Stony Brook, New York.
JAMA. 2014 May 14;311(18):1921-2. doi: 10.1001/jama.2014.2231.