bicipitalsulcus lateral biciptal sulcus cephalic vein medial 腕,指部筋伤小针刀治疗ppt 浅层结构 头静脉 头静脉 cephalic vein bridge a hemodynamically relevant stenosis of the cephalic vein 企业管理 心脏起搏器课程培训ppt company logo left cephalic vein cephalic vein travels to shoulder in in approximately 20% of