AAPM and RAMPS--antecedents and perspectives.
D004739:England; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009683:Nuclear Medicine / Q000266:history*; D011871:Radiology / Q000266:history*; D012955:Societies, Medical / Q000266:history*; D014481:United States