手榴弹 发表于 2025-3-30 10:13:25
http://reply.papertrans.cn/32/3158/315717/315717_51.png含铁 发表于 2025-3-30 14:35:59
https://doi.org/10.1007/978-1-4899-3332-4 and skin ulcerations. Quality of life is affected in those patients with chronic venous insufficiency (CVI). Venous valves are designed to keep blood flowing cephalad. Valvular incompetence can be caused by thrombosis, genetic factors, and other risk factors such as ambulatory jobs, obesity, and hi