UltrasonographyUltrasonography, Doppler, ColorUltrasonography, PrenatalFetal DiseasesUltrasonography, DopplerPregnancyUltrasonography, MammarySensitivity and SpecificityGestational AgeOvarian CystsPregnancy Trimester, SecondProspective StudiesReproducibility of ResultsThyroid NoduleRetrospective StudiesAbdomenSynovitisSulfur HexafluorideImage EnhancementImaging, Three-DimensionalUltrasonography, InterventionalUltrasonography, Doppler, PulsedPredictive Value of TestsOvarian DiseasesScrotumObserver VariationNeckHernia, UmbilicalCystsContrast MediaGallbladderPregnancy Trimester, FirstGallbladder DiseasesMicrobubblesPalpationBiopsy, Fine-NeedleEndosonographyThoracic CavityFocal Infection, DentalAmniocentesisHydronephrosisTransducersEchoencephalographyTenotomyBiopsy, NeedleUltrasonography, Doppler, DuplexPrenatal DiagnosisAdenomyoepitheliomaCordocentesisUterusCrown-Rump LengthTendinopathyInfant, NewbornFetal HeartThyroid GlandPyloric Stenosis, HypertrophicFetal WeightOligohydramniosBlood Flow VelocityShort-Wave TherapyPortal SystemMicroscopy, AcousticCholelithiasisSubcutaneous TissueVitreous DetachmentFeasibility StudiesHepatomegalyPolyhydramniosVaginaMedrogestoneThyroid NeoplasmsAchilles TendonFasciitis, PlantarFollow-Up StudiesFetusPregnancy Trimester, ThirdImage Processing, Computer-AssistedAbscessDog DiseasesRespiratory System AbnormalitiesTietze's SyndromeReference ValuesCollateral LigamentsTomography, X-Ray ComputedCarotid Artery, CommonCystoscopyCarotid ArteriesOsteophyteSuppurationOesophagostomumPregnancy, EctopicPelvisHydrops FetalisCystadenomaAbortion, TherapeuticFatty LiverCarcinoma, PapillaryPolycystic Ovary SyndromeCarotid Artery DiseasesLymphangioma