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  Indian J Med Microbiol
 

Table 4 Pulmonary function tests and arterial blood gases of the studied patients with chronic obstructive pulmonary disease (total N=200) and non-chronic obstructive pulmonary disease patients (total N=180)

Table 4 Pulmonary function tests and arterial blood gases of the studied patients with chronic obstructive pulmonary disease (total <i>N</i>=200) and non-chronic obstructive pulmonary disease patients (total <i>N</i>=180)