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Community Dentistry and Oral Epidemiology > 51 > 6 > 1169 - 1179
Journal of Clinical Periodontology > 47 > 10 > 1191 - 1200
Community Dentistry and Oral Epidemiology > 51 > 6 > 1169 - 1179
Journal of Clinical Periodontology > 47 > 10 > 1191 - 1200