TY  - RPRT
TI  - Percutaneous dilational tracheostomy--a clinical study evaluating two systems.
AU  - J L Nates
AU  - M B Anderson
AU  - D J Cooper
PY  - 1997
UR  - https://pubmed.ncbi.nlm.nih.gov/9127665/
ID  - 9127665
ER  -