APA (7th ed.) Citation

Chao Yuan, Xiaochen Liu, & Shuguo Zheng. (2018). Matrix metalloproteinase-8 levels in oral samples as a biomarker for periodontitis in the Chinese population: An observational study. BMC.

Chicago Style (17th ed.) Citation

Chao Yuan, Xiaochen Liu, and Shuguo Zheng. Matrix Metalloproteinase-8 Levels in Oral Samples as a Biomarker for Periodontitis in the Chinese Population: An Observational Study. BMC, 2018.

MLA (9th ed.) Citation

Chao Yuan, et al. Matrix Metalloproteinase-8 Levels in Oral Samples as a Biomarker for Periodontitis in the Chinese Population: An Observational Study. BMC, 2018.

Warning: These citations may not always be 100% accurate.