title: Surface chemical features and patency characteristics of chronic human umbilical vein arteriovenous fistulas.
mesh_terms: D000818:Animals; D001166:Arteriovenous Shunt, Surgical; D004285:Dogs; D005263:Femoral Artery / Q000601:surgery; D005268:Femoral Vein / Q000601:surgery; D013499:Surface Properties; D014471:Umbilical Veins / Q000637:transplantation*; D014654:Vascular Patency