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.
Variation of Kps in NE and FE areas over time. For a given tissue area in a given time period, the upper box represents the third quartile and the lower box represents the second quartile. The upper (dotted) and lower (solid) bars represent the maximum and minimum values, respectively. The triangles represent the median values.
