APA (7th ed.) Citation

Ulrik, C. (2011). Early detection of COPD in general practice. International journal of chronic obstructive pulmonary disease, 6(default), 123-127. https://doi.org/10.2147/COPD.S16929

Chicago Style (17th ed.) Citation

Ulrik, Charlotte. "Early Detection of COPD in General Practice." International Journal of Chronic Obstructive Pulmonary Disease 6, no. default (2011): 123-127. https://doi.org/10.2147/COPD.S16929.

MLA (9th ed.) Citation

Ulrik, Charlotte. "Early Detection of COPD in General Practice." International Journal of Chronic Obstructive Pulmonary Disease, vol. 6, no. default, 2011, pp. 123-127, https://doi.org/10.2147/COPD.S16929.