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.
A is sample #11; B, #21; C, #16; D, #15; E; #4; F, #42. White frames indicate array spots identified as positive by the spot calling algorithm.
