<unk>  stands for the Diffusing capacity of the Lung for Carbon Monoxide, the test used to determine this parameter.<unk>  is the extent to which oxygen passes from the air sacs of the lungs into the blood. It was introduced in 1909.
DLCO
VO2 max
FEV1/FVC ratio
Ventilation/perfusion ratio
Alveolar gas equation
Pulmonary compliance
Diffusion capacity
Saturation 