| pubmed-article:18923961 | pubmed:abstractText | Evidence suggests a relationship between peripheral Abeta and AD. We hypothesized that higher levels of serum Abeta(1-42) would be associated with memory impairment, thought to occur early in the disease, and rises in serum Abeta(1-40), which occur later, would be associated with impairment in non-memory measures. | lld:pubmed |
