title: [Exertional dyspnea in silicotic patients--mouth occlusion pressure and ventilatory responses to CO2 rebreathing and exercise].
mesh_terms: D000328:Adult; D000368:Aged; D002245:Carbon Dioxide; D004417:Dyspnea / Q000503:physiopathology*; D005080:Exercise Test; D006801:Humans; D008297:Male; D008875:Middle Aged; D009055:Mouth; D011312:Pressure; D012119:Respiration; D012129:Respiratory Function Tests; D012829:Silicosis / Q000503:physiopathology*
chemical_list: D002245:Carbon Dioxide