The perils of protectionism.
Gunderman
Richard B
RB
Indiana University School of Medicine, Department of Radiology, Indianapolis, IN 46202-5200, USA.
Tawadros
Alexander
A
D003132:Commerce / Q000331:legislation & jurisprudence*; D004465:Economic Competition / Q000191:economics* / Q000331:legislation & jurisprudence*; D011871:Radiology / Q000191:economics* / Q000331:legislation & jurisprudence*; D012017:Referral and Consultation / Q000191:economics* / Q000331:legislation & jurisprudence*; D014481:United States