TY  - RPRT
TI  - The variable functional progression of chronic obstructive lung disease.
AU  - M C PAIN
AU  - D J READ
AU  - H J COLEBATCH
AU  - J READ
PY  - 1962
DO  - 10.1111/imj.1962.11.3.170
UR  - https://pubmed.ncbi.nlm.nih.gov/13941120/
ID  - 13941120
ER  -