Breast ultrasound.
D002983:Clinical Competence; D003406:Credentialing / Q000592:standards*; D004502:Education, Medical, Continuing; D004503:Education, Medical, Graduate; D005260:Female; D006801:Humans; D008504:Medical Staff Privileges; D011871:Radiology / Q000193:education* / Q000592:standards; D012955:Societies, Medical; D016217:Ultrasonography, Mammary / Q000592:standards*; D014481:United States