VeinsVaricose VeinsSaphenous VeinVenous InsufficiencyFemoral VeinPulmonary VeinsPortal VeinVaricose UlcerMesenteric VeinsUltrasonography, Doppler, DuplexJugular VeinsLegHepatic VeinsMental CompetencyVena Cava, InferiorVena Cava, SuperiorEuthanasia, PassiveJudicial RolePopliteal VeinStockings, CompressionLasers, SemiconductorSclerotherapyUterine Cervical IncompetenceAblation TechniquesRight to DieThird-Party ConsentPhlebographyRenal VeinsLaser TherapyUmbilical VeinsIliac VeinVascular Surgical ProceduresPatient AdvocacyEcchymosisLife Support CareWithholding TreatmentBeneficenceEndoscopyUltrasonography, Doppler, ColorAdvance DirectivesLiving WillsLigationAngioplasty, LaserFasciaMuscle, Smooth, VascularScleroderma, LocalizedEuthanasiaEthics, MedicalSubclavian VeinPersonal AutonomySplenic VeinVenous PressurePlethysmographyCerebral VeinsInformed ConsentSclerosing SolutionsRetinal VeinTime FactorsAzygos VeinBrachiocephalic VeinsTreatment OutcomeChronic DiseaseRecurrenceTreatment RefusalAxillary VeinLos AngelesRetinal Vein OcclusionOocytesWound HealingRegional Blood FlowMutationMeiosisProspective StudiesFollow-Up StudiesMolecular Sequence DataDecision MakingOkadaic AcidVenous ThrombosisOogenesisSeverity of Illness IndexPressureBlood Flow VelocityRetrospective StudiesCells, CulturedAmino Acid SequencePostoperative ComplicationsKineticsBase SequenceGraft Occlusion, VascularProtein BindingProtein ConformationRNA, MessengerCell LineModels, BiologicalQuestionnairesHuman Umbilical Vein Endothelial CellsVascular PatencyThrombophlebitisRecombinant ProteinsEndothelium, Vascular