Shimamoto, K Interobserver agreement in sonographic diagnosis of breast tumors. [electronic resource] - European journal of ultrasound : official journal of the European Federation of Societies for Ultrasound in Medicine and Biology Sep 1998 - 25-31 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0929-8266 Standard No.: 10.1016/s0929-8266(98)00047-0 doi Subjects--Topical Terms: Breast Diseases--diagnostic imagingBreast Neoplasms--diagnostic imagingDiagnosis, DifferentialDiagnostic ErrorsFemaleHumansObserver VariationReproducibility of ResultsRetrospective StudiesSensitivity and SpecificityUltrasonography