APA
Ko F. W. S., Hui D. S. C. & Lai C. K. W. (20081204). Worldwide burden of COPD in high- and low-income countries. Part III. Asia-Pacific studies. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.
Chicago
Ko F W S, Hui D S C and Lai C K W. 20081204. Worldwide burden of COPD in high- and low-income countries. Part III. Asia-Pacific studies. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.
Harvard
Ko F. W. S., Hui D. S. C. and Lai C. K. W. (20081204). Worldwide burden of COPD in high- and low-income countries. Part III. Asia-Pacific studies. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.
MLA
Ko F W S, Hui D S C and Lai C K W. Worldwide burden of COPD in high- and low-income countries. Part III. Asia-Pacific studies. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease. 20081204.