title: Effect of subject effort on pulmonary function measures: a preliminary investigation.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D007320:Inspiratory Capacity; D008168:Lung / Q000502:physiology*; D009042:Motivation / Q000502:physiology; D005082:Physical Exertion; D012016:Reference Values; D013147:Spirometry; D011795:Surveys and Questionnaires; D014797:Vital Capacity