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分类号:R781.34+1 |
文献标识码:A |
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Studies on Distribution and Genetic Polymorphism of Black-Pigmented Bacteria in Chronic Apical Periodontitis |
ZHOU Qianrong, ZOU Yan, YU Youcheng
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Department of Stomatology, Zhongshan Hospital, Fudan University,Shanghai 200032, China
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