APA (7th ed.) Citation

Y, L., J, L., S, H., F, W., Z, D., J, P., . . . P, R. (2025). Reduced FEV3/FVC as an Early Indicator of COPD in Individuals with Normal Spirometry: A Prospective Analysis from the ECOPD Study. International journal of chronic obstructive pulmonary disease, 20, 3791. https://doi.org/10.2147/COPD.S566651

Chicago Style (17th ed.) Citation

Y, Li, et al. "Reduced FEV3/FVC as an Early Indicator of COPD in Individuals with Normal Spirometry: A Prospective Analysis from the ECOPD Study." International Journal of Chronic Obstructive Pulmonary Disease 20 (2025): 3791. https://doi.org/10.2147/COPD.S566651.

MLA (9th ed.) Citation

Y, Li, et al. "Reduced FEV3/FVC as an Early Indicator of COPD in Individuals with Normal Spirometry: A Prospective Analysis from the ECOPD Study." International Journal of Chronic Obstructive Pulmonary Disease, vol. 20, 2025, p. 3791, https://doi.org/10.2147/COPD.S566651.