Physician assistants in radiology.
D002983:Clinical Competence / Q000592:standards; D003406:Credentialing / Q000592:standards*; D004501:Education, Medical / Q000592:standards*; D006801:Humans; D008504:Medical Staff Privileges / Q000592:standards; D010823:Physician Assistants / Q000193:education / Q000592:standards*; D011871:Radiology / Q000193:education / Q000592:standards*; D012955:Societies, Medical; D014481:United States