TY  - RPRT
TI  - Hypoxaemia in chronic obstructive bronchitis.
AU  - H C Middleton
AU  - M D Peake
AU  - P Howard
PY  - 1979
DO  - 10.1136/thx.34.2.213
UR  - https://pubmed.ncbi.nlm.nih.gov/483187/
ID  - 483187
ER  -