Practical Geriatrics
Transesophageal echocardiography combined with agitated saline contrast echocardiography in the diagnosing and characteristic analysis of elderly patients with patent foramen ovale
XU Yufeng, ZHOU Min, SHEN Xin, YONG Yonghong
Practical Geriatrics . 2026, (6): 597 -601 .  DOI: 10.3969/j.issn.1003-9198.2026.06.011