Chronic obstructive pulmonary disease in Poland: distribution of patients according to the new GOLD 2011 classification. Cross-sectional survey
2014 ◽
Vol 82
(6)
◽
pp. 511-517
◽
2020 ◽
Vol Volume 15
◽
pp. 3171-3181
2020 ◽
Vol 8
(B)
◽
pp. 705-707
2016 ◽
Vol 57
(10)
◽
pp. 561-565
◽