ScotlandCatgutVaricose VeinsMethacyclineFamous PersonsParkinson Disease, PostencephaliticLanguage ArtsIntelligenceSclerotherapyIntelligence TestsLaser TherapySaphenous VeinTyphoid FeverVenous InsufficiencySocial ClassBirth WeightPregnancyCohort StudiesQuestionnairesCattleGreat BritainFollow-Up StudiesReproducibility of ResultsSocioeconomic FactorsInfant, NewbornQuality of LifeProspective StudiesSeverity of Illness IndexAge FactorsTime FactorsTreatment Outcome