839 Patterns of Management of Acute Cholecystitis During the COVID 19 Pandemic B. Brown,R. Varley, E. Reynolds, S. GallowayBritish journal of surgery(2021)引用 0|浏览8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