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单语范例（未经PONS编辑处理）
Venous blood that is removed from the body by the cannula is filtered, cooled or warmed, oxygenated, and then returned to the body.
en.wikipedia.org Lower was the first to observe the difference in arterial and venous blood.
en.wikipedia.org The external vertebral venous plexuses travel inferiorly from this suboccipital region to drain into the brachiocephalic vein.
en.wikipedia.org It was proposed that the presence of corona phlebectatica be included in current clinical classifications of chronic venous disorders.
en.wikipedia.org As with heart ultrasound (echocardiography) studies, venous ultrasonography requires an understanding of hemodynamics in order to give useful examination reports.
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www.krankenhaus-heinsberg.de Treatment of varicose veins and lower-limb venous ulcer in co-operation with the surgery unit ( Chief consultant: Dr. Mastragelopulos )
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Behandlung von Krampfadern und des venös bedingten offnen Beines in Zusammenarbeit mit der Abteilung für Chirurgie ( Chefarzt Dr.Mastragelopulos )
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