21 NATURAL HISTORY OF COLECTOMY AMONG HOSPITALIZED PATIENTS WITH ULCERATIVE COLITIS IN THE CONTEMPORARY ERA OF BIOLOGICSMai Sedki, Douglas Stram,Asim Alam,Aida Shirazi,Fernando VelayosGastroenterology(2020)引用 2|浏览2暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要