TY  - RPRT
TI  - Percutaneous tracheotomy.
AU  - C H SHELDEN
AU  - R H PUDENZ
AU  - F Y TICHY
PY  - 1957
DO  - 10.1001/jama.1957.02980340034009
UR  - https://pubmed.ncbi.nlm.nih.gov/13480860/
ID  - 13480860
ER  -