APA

Liam C. K., Lim K. H., . (19981019). Awareness of the ozone layer and acceptance of a new CFC-free metered dose inhaler among asthmatic patients. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Chicago

Liam C K, Lim K H, . 19981019. Awareness of the ozone layer and acceptance of a new CFC-free metered dose inhaler among asthmatic patients. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Harvard

Liam C. K., Lim K. H., . (19981019). Awareness of the ozone layer and acceptance of a new CFC-free metered dose inhaler among asthmatic patients. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

MLA

Liam C K, Lim K H, . Awareness of the ozone layer and acceptance of a new CFC-free metered dose inhaler among asthmatic patients. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease. 19981019.