Comparison of 7-Day Recall and Daily Diary Reports of COPD Symptoms and Impacts
Value in Health- United Kingdom
doi 10.1016/j.jval.2011.12.005
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Date
May 1, 2012
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Elsevier BV
doi 10.1016/j.jval.2011.12.005
Available in
May 1, 2012
Elsevier BV