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

. 2019 Aug 6;172(1):181–190. doi: 10.1093/toxsci/kfz174

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

© The Author(s) 2019. Published by Oxford University Press on behalf of the Society of Toxicology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

PMC Copyright notice

Figure 2. — Changes in welders between Scan 1 (S1) and Scan 2 (S2). A, Changes in past 3 months cumulative exposure indexes (CEI) (Mn-CEI_3M), past year CEI (Mn-CEI_12M), air Mn concentration ([Mn]_Air), and toenail Mn concentration ([Mn]_Toenail). B, Changes in R1 in 4 different regions of interest in the brain: caudate nucleus, frontal white matter, globus pallidus, and substantia nigra. C, Changes in γ-aminobutyric acid (GABA) levels in 2 regions of the brain: striatum and thalamus. D, Less changes are observed in Unified Parkinson’s Disease Rating Scale (UPDRS) scores. Median trends are the solid line (in red).