title: An evaluation of rebreathing methods for measuring mixed venous PCO 2  during exercise.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood*; D002302:Cardiac Output; D006801:Humans; D008722:Methods; D005082:Physical Exertion; D012119:Respiration; D013223:Statistics as Topic; D014680:Veins
chemical_list: D002245:Carbon Dioxide