Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2018 Jun 1;4(2):91–106. doi: 10.1089/aivt.2017.0034

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© Ghislaine Lacroix et al., 2018; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

FIG. 4. — Initiation of the validation process for the use of ALI systems in the field of respiratory toxicology. EURL ECVAM, European Union Reference Laboratory for alternatives to animal testing.