Kaplan, A., Freeman, D., Cleland, J., Cerasoli, F., & Price, D. (2011). Detecting mild COPD is not a waste of resources. Prim Care Respir J.

Kaplan, Alan, Daryl Freeman, Jennifer Cleland, Frank Cerasoli, و David Price. "Detecting Mild COPD Is Not a Waste of Resources." Prim Care Respir J 2011.

Kaplan, Alan, et al. "Detecting Mild COPD Is Not a Waste of Resources." Prim Care Respir J 2011.