456: Echo or Levo EF in Older Donor Hearts; Is the Echo EF Sufficient?O GRAUHAN,M DELACHEVALERIE,F POLSTER,G SCHMIDT,R KRUEGER,C WESSLAU, R HETZERJOURNAL OF HEART AND LUNG TRANSPLANTATION(2008)引用 0|浏览6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