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Economic burden prior to COPD diagnosis: A matched case-control study in the United States
Manabu Akazawa, Rachel Halpern, Aylin A. Riedel, Richard H. Stanford, Anand Dalal, Christopher M. BlanchetteVolume:
102
Year:
2008
Language:
english
DOI:
10.1016/j.rmed.2008.07.009
File:
PDF, 262 KB
english, 2008