APA (7th ed.) Citation

Ding, F., Liu, W., Hu, X., & Gao, C. Factors related to the progression of chronic obstructive pulmonary disease: A retrospective case-control study. BMC.

Chicago Style (17th ed.) Citation

Ding, Fang, Wenjing Liu, Xiaoying Hu, and Chunyan Gao. Factors Related to the Progression of Chronic Obstructive Pulmonary Disease: A Retrospective Case-control Study. BMC.

MLA (9th ed.) Citation

Ding, Fang, et al. Factors Related to the Progression of Chronic Obstructive Pulmonary Disease: A Retrospective Case-control Study. BMC.