"In 2012, "interventional radiology/diagnostic radiology" was formally recognised as a separate medical specialty in the US (as distinct from "diagnostic radiology"), so that their own primary certification was introduced 1."
Expected headings
"History"
"The American Board of Radiology was founded in January 1934, following discussions between the four main radiology organisations in the United States, namely American Roentgen Ray Society (ARRS), Radiological Society of North America (RSNA), American College of Radiology (ACR) and the American Radium Society (ARS) 1."