VeinsVaricose VeinsVenous InsufficiencySaphenous VeinVaricose UlcerFemoral VeinMental CompetencyUltrasonography, Doppler, DuplexPortal VeinEuthanasia, PassivePulmonary VeinsJudicial RoleLegJugular VeinsPopliteal VeinStockings, CompressionLasers, SemiconductorSclerotherapyUterine Cervical IncompetenceAblation TechniquesRight to DieThird-Party ConsentMesenteric VeinsPhlebographyRenal VeinsLaser TherapyUmbilical VeinsIliac VeinVascular Surgical ProceduresPatient AdvocacyEcchymosisLife Support CareWithholding TreatmentHepatic VeinsBeneficenceEndoscopyUltrasonography, Doppler, ColorAdvance DirectivesLiving WillsLigationAngioplasty, LaserFasciaScleroderma, 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 SequenceVena Cava, InferiorGraft Occlusion, VascularProtein BindingProtein ConformationRNA, MessengerCell LineModels, BiologicalQuestionnairesHuman Umbilical Vein Endothelial CellsVascular PatencyThrombophlebitisRecombinant ProteinsEndothelium, VascularRisk AssessmentGene Expression