A multicentre review of acute upper gastrointestinal bleeding; a raised urea:creatinine ratio aids diagnosisDeevia Kotecha,Jason Mak,Neel Sharma,Ralph Boulton,Benjamin Disney,Neeraj Bhala,Ajay VermaClinical Medicine(2019)引用 0|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