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Cerebrovascular Responsiveness to Hypercapnia Is Stable over Six Months in Older Adults
Fig 5
Comparison of strategies for computing cerebrovascular responsiveness in older adults undergoing a hypercapnic challenge.
Values are mean±SD. *, p<0.05 from Lower; †, p<0.05 from Upper; ‡, p<0.05 from Span.
doi: https://doi.org/10.1371/journal.pone.0143059.g005