TY  - RPRT
TI  - Simple device for tracheobronchial aspiration.
AU  - E B EMERSON
PY  - 1953
DO  - 10.1001/jama.1953.02940270026006a
UR  - https://pubmed.ncbi.nlm.nih.gov/13096310/
ID  - 13096310
ER  -