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1477-7525-7-26
1477-7525-7-26
http://dx.doi.org/10.1186/1477-7525-7-26
Validation of the clinical COPD Questionnaire (CCQ) in primary care.
P356
Q37152957-A813C964-D3FD-429D-B747-ECBBC89439A5
P356
1477-7525-7-26
http://dx.doi.org/10.1186/1477-7525-7-26