Primary Care of the Patient with Chronic Obstructive Pulmonary Disease—Part 1: Frontline Prevention and Early Diagnosis
2008 ◽
Vol 121
(7)
◽
pp. S3-S12
◽
2016 ◽
Vol 13
(3)
◽
pp. 240-246
◽
2008 ◽
Vol 121
(7)
◽
pp. S33-S45
◽