A procedure for determining the content of carbon dioxide (tension) in the mixed venous tissue in patients with diseases of the lungs. Pure oxygen is respired into a Douglas’ bag repeatedly, with a certain frequency, where after the carbon dioxide tension of the contents of the sac will be the same as in the mixed venous blood.
- E. J. Moran Campbell:
The Respiratory Muscles and the Mechanics of Breathing. 1958.
- Gde L. White:
The Campbell-Howell modified Haldane apparatus as applied to the measurement of percentage CO2 of gas cylinders required for the Astrup micro-equipment.
South African Medical Journal, Cape Town, June 27, 1970, 44 (26): 763-765.
- W. Droszcz:
[Comparison of the indirect Campbell-Howell method with the direct Riley method in determining partial pressure of carbon dioxide in the blood] [Article in Polish]
Polskie Archiwum Medycyny Wewnetrznej, 1965, 35 (1): 25-29.