Chu-Lin Tsai, Justin A. Sobrino and Carlos A. Camargo Jr National Study of Emergency Department Visits for Acute Exacerbation of Chronic Obstructive Pulmonary Disease, 1993–2005 Academic Emergency Medicine 15
Article first published online: 27 OCT 2008 | DOI: 10.1111/j.1553-2712.2008.00284.x
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