TY  - BOOK
TI  - COPD
SN  - 1541-2563
CY  - United Kingdom
KW  -  Diseases of the respiratory system
KW  -  Internal medicine
KW  -  Specialties of internal medicine
KW  - Medicine
UR  - https://doaj.org/toc/017b540e7b7e4f12b082a85acf0527f4
ER  -