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S41533-018-0079-5
S41533-018-0079-5
http://dx.doi.org/10.1038/S41533-018-0079-5
'Exacerbation-free time' to assess the impact of exacerbations in patients with chronic obstructive pulmonary disease (COPD): a prospective observational study.
P356
Q55007112-AF4AE860-7504-41C7-A969-7C84E7459636
P356
S41533-018-0079-5
http://dx.doi.org/10.1038/S41533-018-0079-5