TY  - RPRT
TI  - A man with a large trachea.
AU  - J D Boomsma
AU  - D E Schraufnagel
PY  - 1991
DO  - 10.1378/chest.100.3.809
UR  - https://pubmed.ncbi.nlm.nih.gov/1889277/
ID  - 1889277
ER  -