TY  - RPRT
TI  - Tracheotomy application and timing.
AU  - John E Heffner
PY  - 2003
DO  - 10.1016/s0272-5231(03)00044-3
UR  - https://pubmed.ncbi.nlm.nih.gov/14535212/
ID  - 14535212
ER  -