Computerized tomographic quantification of chronic obstructive pulmonary disease as the principal determinant of frontal P vector
The American Journal of Cardiology, 04/09/2012
Chhabra L et al. – A combination of high Degree of the P vector (DOPV) and predominantly lower lobe emphysema indicates severe obstructive lung dysfunction in patients with chronic obstructive pulmonary disease (COPD).



