SERUM RETINOL AND AIRWAY OBSTRUCTION
- 1 July 1990
- journal article
- research article
- Published by Oxford University Press (OUP) in American Journal of Epidemiology
- Vol. 132 (1) , 77-82
- https://doi.org/10.1093/oxfordjournals.aje.a115645
Abstract
The relation of serum retinol and carotenoids to airway obstruction was investigated in a population-based study. Respiratory symptoms and the pulmonary function of 83 white males were assessed in 1979 5 years after their blood had been drawn. Airway obstruction in 1979, defined as a forced expiratory volume in 1 second which was equal to or less than 75% of the forced vital capacity, was associated with a decreased 1974 level of serum retinol.Keywords
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