共 50 条
- [22] Long-term oxygen therapy in COPD patients: population-based cohort study on mortality INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, 2018, 13 : 979 - 988
- [29] An evaluation of early medication use for COPD: a population-based cohort study INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, 2016, 11 : 3101 - 3108