APA (7th ed.) Citation

Duan, Y., Fu, H., Chen, C., Zhao, Y., Jiang, S., & Wang, C. Comorbidity Patterns in Chronic Obstructive Pulmonary Disease and Their Associations with Service Utilization. Taylor & Francis Group.

Chicago Style (17th ed.) Citation

Duan, Yanran, Hang Fu, Changying Chen, Yaojun Zhao, Shuai Jiang, and Chengzeng Wang. Comorbidity Patterns in Chronic Obstructive Pulmonary Disease and Their Associations with Service Utilization. Taylor & Francis Group.

MLA (9th ed.) Citation

Duan, Yanran, et al. Comorbidity Patterns in Chronic Obstructive Pulmonary Disease and Their Associations with Service Utilization. Taylor & Francis Group.