Stanescu, D., Rodenstein, D., Hoeven, C., & Robert, A. (1987). Sensitive Tests Are Poor Predictors of the Decline in Forced Expiratory Volume in One Second in Middle-aged Smokers. The American Review of Respiratory Disease, 135(3), 585-590. https://hdl.handle.net/2078.5/49414 (Original work published 1987)