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. Author manuscript; available in PMC: 2012 Jul 23.
Published in final edited form as: Ann Allergy Asthma Immunol. 2011 Jan 6;106(3):191–199. doi: 10.1016/j.anai.2010.11.011

Figure 3.

Figure 3

Representative graphs of IOS and spirometry in patients with normal, obstructive, and restrictive lung disease. Tracings of lung resistance and reactance in comparison with spirometric flow-volume loop for prototypical patients with normal lung function, distal obstruction, proximal obstruction, and restrictive lung disease. Dotted lines indicate the normal tracing, whereas solid lines show pathological tracings.