The application values of cardiopulmonary exercise test in the evaluations of pneumoconiosis disability. 心肺功能运动试验在尘肺劳动能力鉴定中的价值。
In order to study significance of impaired heart rate response,amanifestation of chronotropic incompetence to eletrocardiagram exercise testing. 了解运动试验中心率反应迟缓即变时性机能不全的意义。
