APA (7th ed.) Citation

Choi, Y. Y., & Lee, K. H. (2021). Periodontitis as a Risk Factor for Rheumatoid Arthritis: A Matched-Cohort Study. Elsevier.

Chicago Style (17th ed.) Citation

Choi, Yoon Young, and Kyeong Hee Lee. Periodontitis as a Risk Factor for Rheumatoid Arthritis: A Matched-Cohort Study. Elsevier, 2021.

MLA (8th ed.) Citation

Choi, Yoon Young, and Kyeong Hee Lee. Periodontitis as a Risk Factor for Rheumatoid Arthritis: A Matched-Cohort Study. Elsevier, 2021.

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