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Duong, Ho-Yan; Schmid, Eric; Ramseier, Christoph A; Suvan, Jean E; Lang-Hua, Bich Hue; Burkhardt, Rino; Schätzle, Marc; Lang, Niklaus P (2022). Periodontal disease progression in the second half of life and following a single episode of scaling and root planing-A clinical study in the Sri Lankan tea plantation cohort with documented clinical parameters over more than 40 years. Journal of periodontology, 93(1), pp. 45-56. Wiley 10.1002/JPER.20-0480
Zhuang, Long-Fei; Watt, Rory M; Steiner, Sarah; Lang-Hua, Bich Hue; Wang, Ren; Ramseier, Christoph Andreas; Lang, Niklaus Peter (2014). Subgingival microbiota of Sri Lankan tea labourers naïve to oral hygiene measures. Journal of clinical periodontology, 41(5), pp. 433-441. Wiley 10.1111/jcpe.12230
