％0期刊文章％samet，Jonathan M.％A COULTAS，DAVID％A Raghu，Ganesh％T特发性肺纤维化：跟踪真正的发生率是挑战％D 2015％d 2015％r 10.1183/13993003.00958-20158-2015％604-606％v 46％n 3％u //www.qdcxjkg.com/content/erj/46/3/604.full.pdf