Official websites use .gov
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.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.
HD1 (continuous line) and HD3 (dashed line). Squares: HD1 data; triangles: HD3 data. Empty squares and triangles represent the original, unadjusted initial values of interstitial volume (see Methods section). * = p < 0.05 for HD1 vs. HD3.
