Introduction of the expert consensus statement for  definition， diagnosis and treatment of #br# acute exacerbations of idiopathic pulmonary fibrosis using Delphi Technology
Guo Xianli，Yuan Shengfang，Song Ning
Clinical Focus . 2016, (6): 673 -675 .  DOI: 10.3969/j.issn.1004-583X.2016.06.021