Paul D. Scanlon, M.D., and Mark D. Shriver, Ph.D. NEJM Volume 363:385-386 July 22, 2010 Number 4. Related Article by Kumar, R.
Tests of pulmonary function and radiographic imaging of the chest are the two key methods used in diagnostic evaluation of patients with pulmonary disease. Unlike blood pressure, acceptable normal values vary from person to person and from one demographic group to another.





