The use of saline for ultrasonic detection of a right-to-left shunt in postoperative periodDesmond F. Duff,Howard P. GutgesellThe American Journal of Cardiology(1976)引用 12|浏览4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