TY  - RPRT
TI  - Inexpensive pneumotachometer (PTM).
AU  - S M ROSS
AU  - F F KAO
PY  - 1961
DO  - 10.1152/jappl.1961.16.2.380
UR  - https://pubmed.ncbi.nlm.nih.gov/13743648/
ID  - 13743648
ER  -