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- WHO Scientific Group on Epidemiology, Etiology, and Prevention of Periodontal Diseases (1977 : Moscow).
WHO Scientific Group on Epidemiology, Etiology, and Prevention of Periodontal Diseases (1977 : Moscow).(Corporate Name)
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Work cat.: (OSt)8228: WHO Scientific Group on Epidemiology, Etiology, and Prevention of Periodontal Diseases (1977 : Moscow)., Epidemiology, etiology, and prevention of periodontal diseases : report of a WHO scientific group [meeting held in Moscow from 23 November to 2 December 1977].