De Coster, DA; Jones, M (2014). »Tailoring of corticosteroids in COPD management«. Current respiratory care reports. 3: 121–132. doi:10.1007/s13665-014-0084-2. PMID25089228.
De Coster, DA; Jones, M (2014). »Tailoring of corticosteroids in COPD management«. Current respiratory care reports. 3: 121–132. doi:10.1007/s13665-014-0084-2. PMID25089228.