Variations in practice patterns and resource utilization in patients treated for chronic obstructive pulmonary disease
2013 ◽
Vol 16
(7)
◽
pp. 897-906
◽
2006 ◽
Vol 6
(2)
◽
pp. 155-157
◽
2019 ◽
Vol Volume 14
◽
pp. 2409-2421
◽