title: Bias in cross-sectional and longitudinal estimates of pulmonary function decline: a different perspective.
authors.forename: James H
authors.initials: JH
authors.lastname: Ware
authors.forename: Brisa N
authors.initials: BN
authors.lastname: Sánchez
mesh_terms: D003430:Cross-Sectional Studies; D004391:Dust; D006801:Humans; D008137:Longitudinal Studies; D015233:Models, Statistical; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology*; D012129:Respiratory Function Tests
chemical_list: D004391:Dust