TY  - RPRT
TI  - [Comorbidities of COPD].
AU  - H Watz
AU  - H Magnussen
PY  - 2006
DO  - 10.1007/s00108-006-1675-y
UR  - https://pubmed.ncbi.nlm.nih.gov/16821069/
ID  - 16821069
ER  -