TY  - RPRT
TI  - Pulse oximetry reference values at high altitude.
AU  - A J Pollard
PY  - 1992
DO  - 10.1136/adc.67.11.1413-a
UR  - https://pubmed.ncbi.nlm.nih.gov/1471906/
ID  - 1471906
ER  -