title: MECHANISMS OF CHRONIC CARBON DIOXIDE RETENTION IN PATIENTS WITH OBSTRUCTIVE PULMONARY DISEASE.
mesh_terms: D001784:Blood Gas Analysis; D001945:Breathing Exercises; D002245:Carbon Dioxide; D004417:Dyspnea; D006801:Humans; D006985:Hyperventilation; D008171:Lung Diseases; D008173:Lung Diseases, Obstructive; D005082:Physical Exertion; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency
chemical_list: D002245:Carbon Dioxide
keywords: BLOOD GAS ANALYSIS; BREATHING EXERCISES; CARBON DIOXIDE; DYSPNEA; EXERTION; HYPERVENTILATION; LUNG DISEASES; RESPIRATORY FUNCTION TESTS; RESPIRATORY INSUFFICIENCY