Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Manual and automated sample preparation prior to high performance liquid chromatography tandem mass spectrometry analysis demonstrated comparable performance for both (A and B) amyloid β 1‐42 (Aβ42) and (C and D) amyloid β 1‐40 (Aβ40). A and C, Shaded region represents the 95% confidence interval (CI) of the slope of the linear regression. B and D, Black dashed lines represent the 95% CI of the mean difference (solid line)
