APA (7th ed.) Citation

Kim, T., & Kang, J. (2021). Association between dual use of e-cigarette and cigarette and chronic obstructive pulmonary disease: An analysis of a nationwide representative sample from 2013 to 2018. BMC.

Chicago Style (17th ed.) Citation

Kim, Taeyun, and Jihun Kang. Association Between Dual Use of E-cigarette and Cigarette and Chronic Obstructive Pulmonary Disease: An Analysis of a Nationwide Representative Sample from 2013 to 2018. BMC, 2021.

MLA (9th ed.) Citation

Kim, Taeyun, and Jihun Kang. Association Between Dual Use of E-cigarette and Cigarette and Chronic Obstructive Pulmonary Disease: An Analysis of a Nationwide Representative Sample from 2013 to 2018. BMC, 2021.

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