TY  - RPRT
TI  - Airway research.
AU  - R M Walls
AU  - E D Barton
PY  - 1999
DO  - 10.1111/j.1553-2712.1999.tb01227.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10463567/
ID  - 10463567
ER  -