% 0期刊文章% Nathan, Steven D . %,明% Morgenthien,伊丽莎白·A . % Stauffer John l . % T FVC可变性特发性肺纤维化患者6分钟步行试验的测试来预测进一步的变化和作用% D J 2020% R 10.1183/13993003.02151 -2019%欧洲呼吸杂志% P 1902151 % V 55% N 5% U //www.qdcxjkg.com/content/erj/55/5/1902151.full.pdf