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) Patch tests showed a positive reaction (++) to the sponge strip (b) and three negative results, including metal strip (a), blank control (c), and polypropylene spun bond non‐woven fabric (d) on day 4. (B) On D4, positive patch test reactions to TDI 2.0% pet. (1), MDA 0.5% pet. (3), and HDI 0.1% pet. (6)
