1. The results showed that the main manifestations of IPF were severe dry cough, progressive short breath, cyanosis, clubbed fingers and crepitant rales in lungs.
结果发现，IPF主要表现为剧烈干咳、进行性气短、紫绀、杵状指趾和肺部捻发音。
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2. The results showed that the main manifestations of IPF were severe dry cough, progressive short breath, cyanosis, clubbed fingers and crepitant rales in lungs.
