Application of ultrasound guidance combined with intracardiac electrocardiogram in the implantment of totally implantable access port in elderly patients with tumor
XU Ju-qing, FANG Le-ping, SHEN Long-fang, YANG Shu, WANG Lin, FAN Wei-fei
Practical Geriatrics . 2022, (11): 1133 -1136 .  DOI: 10.3969/j.issn.1003-9198.2022.11.013