TY  - RPRT
TI  - Assessing breathing patterns in first aid training.
AU  - M J Kittleson
PY  - 1990
DO  - 10.1111/j.1746-1561.1990.tb05908.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2299824/
ID  - 2299824
ER  -