Swollen ankle from incompetent perforator veins – The Whiteley Clinic
Perforator vein - Wikipedia
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What are Perforator Veins? Lakeshore Vein Clinic
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Specific criteria of the transcutaneous Doppler ultrasound in unusual causes of lower limb varicose veins - Servier - PhlebolymphologyServier – Phlebolymphology
Swollen ankle from incompetent perforator veins – The Whiteley Clinic