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.
The illustration of the slope detection algorithm. The lesion progression data shown here is from one treated sample. The slopes over three representative time windows are indicated. The highest change rate appears at the beginning of the treatment around the first time window (slope 1) and the saturation starts to occur around the second time window (slope 2).
