Columbia subject headings:
Oximetry--Congresses.
Oxygen in the body--Congresses.
Oxygen--Physiological transport--Congresses.
Harvard subject headings:
Oximetry--Congresses.
Oxygen in the body--Congresses.
Oxygen--Physiological transport--Congresses.
Princeton subject headings:
Oximetry--Congresses.
Oxygen in the body--Congresses.
Oxygen--Physiological transport--Congresses.