Figure 3.

FIG. 3. Summary of 17 studies of CSF SS in Alzheimer's disease. (a) Absolute SS levels in patients and controls. The numbers of subjects and controls appear above the standard error bars. Studies are presented in chronological order. Asterisks indicate neurological rather than normal controls. (b) The percentage decrease in CSF SS in Alzheimer's disease in the same studies. (Adapted from ref. 48.)

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published 2000