Statistics from Altmetric.com
We thank Dr Eva Hnizdo and Professor Edward L Petsonk for their highly appreciated comments on our publication in Occupational Environmental Medicine.1
Their first and highly relevant question is about the magnitude of the annual decline of forced expiratory volume in one second (FEV1) denoted as dFEV1 among workers with FEV1/forced vital capacity (FVC) ratio <0.7 and lower limit of normal (LLN) compared with dFEV1 among workers with FEV …
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