National Study of Emergency Department Visits for Acute Exacerbation of Chronic Obstructive Pulmonary Disease, 1993-2005
2008 ◽
Vol 15
(12)
◽
pp. 1275-1283
◽
2018 ◽
Vol 11
(9)
◽
2007 ◽
Vol 29
(6)
◽
pp. 1203-1213
◽
2013 ◽
Vol 28
(4)
◽
pp. 255
◽
2016 ◽
Vol 111
◽
pp. S230