Radiology summit 1990: specialization in radiology--trends, implications, and recommendations.
Thrall
J H
JH
Department of Radiology, Massachusetts General Hospital, Boston 02114.
Wittenberg
J
J
D000068:Accreditation; D002568:Certification; D006801:Humans; D008511:Medicine / Q000639:trends*; D011871:Radiology / Q000639:trends*; D013038:Specialization / Q000639:trends*; D014481:United States