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  Indian J Med Microbiol
 

Figure 3: Typical spirograms and fl ow-volume curves during forced expiration. (a) Normal individuals of different sizes; (b) patient with severe airway obstruction; (c) values typical of a pulmonary restrictive process [8].

Figure 3: Typical spirograms and fl ow-volume curves during forced expiration. (a) Normal individuals of different sizes; (b) patient with severe airway obstruction; (c) values typical of a pulmonary restrictive process [8].