TY  - RPRT
TI  - A simple respiratory pick-up.
AU  - K ARENTSEN
AU  - E KAISER
PY  - 1953
DO  - 10.1111/j.1600-0447.1953.tb04680.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13158106/
ID  - 13158106
ER  -