The impact of chronic pain on direct medical utilization and costs in chronic obstructive pulmonary disease
2011 ◽
Vol 5
(10)
◽
pp. 475-478
2013 ◽
Vol 37
(4)
◽
pp. 654-663
◽
2014 ◽
Vol 23
(21-22)
◽
pp. 3124-3137
◽
2018 ◽
Vol Volume 13
◽
pp. 3359-3365
◽
2013 ◽
Vol 51
(1)
◽
pp. 17-23
◽
2006 ◽
Vol 119
(10)
◽
pp. 38-45
◽