title: Pulmonary research: what topics? What costs?
mesh_terms: D003365:Costs and Cost Analysis; D006801:Humans; D008168:Lung / Q000502:physiology*; D008171:Lung Diseases / Q000503:physiopathology; D009316:National Institutes of Health (U.S.); D012106:Research; D012107:Research Design; D014481:United States