Air Pollution and Emergency Room Admissions for Chronic Obstructive Pulmonary Disease: A 5-year Study
1993 ◽
Vol 137
(7)
◽
pp. 701-705
◽
2002 ◽
Vol 57
(1)
◽
pp. 41-47
◽
2009 ◽
Vol 17
(1)
◽
pp. 8-13
◽
1991 ◽
Vol 134
(3)
◽
pp. 289-289
◽
1991 ◽
Vol 134
(3)
◽
pp. 277-286
◽
1991 ◽
Vol 134
(3)
◽
pp. 287-288
◽
2016 ◽
Vol 194
(4)
◽
pp. 429-438
◽
2019 ◽
Vol 199
(5)
◽
pp. 547-548
◽