Kurth, L., & Hnizdo, E. (2015). Change in prevalence of restrictive lung impairment in the U.S. population and associated risk factors: the National Health and Nutrition Examination Survey (NHANES) 1988–1994 and 2007–2010. Multidisciplinary Respiratory Medicine, 10(1). https://doi.org/10.4081/mrm.2015.281