TI  - CHronic obstructive pulmonary disease and associated health-care resource use—north carolina, 2007 and 2009
PT  - JOUR
DP  - 2012
TA  - JAMA
pages = {1905-1908},
VI  - 307
IP  - 18
AID  -  [doi]
4100  - http://dx.doi.org/
SO  - JAMA May 9, 2012 307(18):1905