Epiphyses, SlippedSlipped Capital Femoral EpiphysesEpiphysesFemur HeadFemur Head NecrosisLegg-Calve-Perthes DiseaseHip JointFemurFemoracetabular ImpingementOsteotomyFemur NeckExostosesBone ScrewsAge Determination by SkeletonBone NailsBone RetroversionRange of Motion, ArticularHip DislocationOrthopedic ProceduresHLA-DR5 AntigenEndocrine System DiseasesAcetabulumTurner SyndromeManipulation, OrthopedicTreatment OutcomeCapital FinancingRetrospective StudiesCraniopharyngiomaCartilage DiseasesGrowth PlateTractionTibia