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  Indian J Med Microbiol
 

Table 3: Rate of decline in forced expiratory volume in 1 s and forced expiratory volume in 1 s/forced vital capacity in chronic obstructive pulmonary disease patient Group A, B, C, and D

Table 3: Rate of decline in forced expiratory volume in 1 s and forced expiratory volume in 1 s/forced vital capacity in chronic obstructive pulmonary disease patient Group A, B, C, and D