Granulomatosis Polyangiitis with Diffuse Alveolar Hemorrhage:a Case Report and Literature Review 
LU Cui,SU Yutong,TENG Jialin,YANG Chengde,YE Junna
Chinese General Practice . 2020, (18): 2346 -2350 .  DOI: 10.12114/j.issn.1007-9572.2019.00.753