Additional file 1: of High serum uric acid level is a mortality risk factor in peritoneal dialysis patients: a retrospective cohort study XiangShilong ZhangXiaohui XieXishao WangJunni ZhouQin ChenZhimin WangYaomin LiuGuangjun HanFei ChenJianghua 2019 Figure S1. Flow chart of study enrollment. (PDF 11 kb)