Iyer et al re-checked PFTs on 1,284 people with nonspecific results (low FEV1 or FVC but normal TLC and FEV1/FVC ratio), at a median of 3 years after the abnormal test.
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Natural history of nonspecific pulmonary…
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Iyer et al re-checked PFTs on 1,284 people with nonspecific results (low FEV1 or FVC but normal TLC and FEV1/FVC ratio), at a median of 3 years after the abnormal test.