AJDRAJNR - American Journal of Neuroradiology

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Figure 2


Fig 2. Frequency of HPR in 8 age groups. HPR becomes gradually prominent after 20 years of age and tends to become vague or absent after 70 years of age.





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X