APA (7th ed.) Citation

Z, Z., Y, S., X, H., H, Y., F, Y., M, X., & K, H. (2022). Obstructive Sleep Apnea is Associated with an Increased Prevalence of Polycythemia in Patients with Chronic Obstructive Pulmonary Disease. International journal of chronic obstructive pulmonary disease, 17, 195. https://doi.org/10.2147/COPD.S338824

Chicago Style (17th ed.) Citation

Z, Zeng, Song Y, He X, Yang H, Yue F, Xiong M, and Hu K. "Obstructive Sleep Apnea Is Associated with an Increased Prevalence of Polycythemia in Patients with Chronic Obstructive Pulmonary Disease." International Journal of Chronic Obstructive Pulmonary Disease 17 (2022): 195. https://doi.org/10.2147/COPD.S338824.

MLA (9th ed.) Citation

Z, Zeng, et al. "Obstructive Sleep Apnea Is Associated with an Increased Prevalence of Polycythemia in Patients with Chronic Obstructive Pulmonary Disease." International Journal of Chronic Obstructive Pulmonary Disease, vol. 17, 2022, p. 195, https://doi.org/10.2147/COPD.S338824.