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.
Total score, obtained by episcopic analysis, for the proper elements and for the contaminating elements of each sample and total score related to the environment in which the sample was placed
Symbols legend: H + = hairy skin square; H- = Hairless skin square; C = put in contact; E = exposed
