From the case:
Zinc

Granules of elemental zinc.
Author: Nefronus
Original file: https://commons.wikimedia.org/wiki/File:Zinc_sample.jpg
Licence: Creative Commons CC0 1.0 Universal Public Domain Dedication
At the time the case was submitted for publication Daniel J Bell had no recorded disclosures.
View Daniel J Bell's current disclosures0 images remaining
Granules of elemental zinc.
Author: Nefronus
Original file: https://commons.wikimedia.org/wiki/File:Zinc_sample.jpg
Licence: Creative Commons CC0 1.0 Universal Public Domain Dedication
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