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Jiao J, Jing W, Si Y, Feng X, et al. The prevalence and severity of periodontal disease in Mainland China: Data from
the Fourth National Oral Health Survey (2015-2016). J Clin Periodontol 2021;48:168-179.
PMID: 33103285
|
 |
|
Jiao J, Jing W, Si Y, Feng X, et al. The prevalence and severity of periodontal disease in Mainland China: Data from
the Fourth National Oral Health Survey (2015-2016). J Clin Periodontol 2021;48:168-179.
PMID: 33103285
|
|
|
|