乳腺摄影Mammography
Pro-promam gold（波兰Project公司）
Pro-promam gold（波兰Project公司）Contrast details mammography phantom according to European Protocol for quality assurance in Digital Mammography. It may be used to determine if mammographic images indicate objects with very low contrast and very small diameter, to find out the optimum exposure technique, or to compare image quality at various object thicknesses by variation of the amount of PMMA thickness.
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