Potchen E J, Sierra A E
Radiology. 1981 Feb;138(2):501-4. doi: 10.1148/radiology.138.2.6779346.
Value judgements now determine, to a great extent, whether or not the utility of a component of a procedure justifies the cost, in terms of exposure to radiation and financial expenditures. Medical education may ingrain behaviors that emphasize performing procedures that do not justify their costs.
如今，价值判断在很大程度上决定了，就辐射暴露和资金支出而言，一项操作的某个组成部分的效用是否能证明成本的合理性。医学教育可能会使一些行为根深蒂固，这些行为强调执行那些成本不合理的操作。
