A diagnosis of primary aortoenteric fistula is difficult to make despite a high level of clinical suspicion. It should b......

目的评价和对比经胸(TEE)和经食管(TEE)超声心动图诊断老年人主动脉瓣周钙化的价值.方法通过TEE和TEE超声对50例老年主动脉瓣退行......