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珠江三角洲人群牙周病保健知识调查报告中山医科大学口腔系（５１００８９）李容林李春阳凌均启为了解珠江三角洲地区人民群众对牙周病及口腔保健知识的认识，以便确定口腔卫生宣传教育工作的方向和重点，我们在１９９６年９月至１２月，对广东省珠江三角洲城乡居民进行了...
Pearl River Delta population periodontal disease health knowledge survey Zhongshan Medical University Department of Stomatology (510089) Li Ronglin Li Chunyang Ling Junqi To understand the people of the Pearl River Delta region on periodontal disease and oral health knowledge awareness in order to determine the direction of oral health education work And focus, we in September 1996 to December, the Pearl River Delta in Guangdong Province urban and rural residents carried out ...