TY  - RPRT
TI  - Intrathoracic tracheal collapse--a pathophysiological study.
AU  - O Hjalmarson
PY  - 1973
DO  - 10.1136/adc.48.2.162-f
UR  - https://pubmed.ncbi.nlm.nih.gov/4690521/
ID  - 4690521
ER  -