Attribution: Most of the text of this has been copied from Urea article on 24 February 2024 by me. G-Lignum (talk) 16:20, 24 February 2024 (UTC)[reply]
Copied content from Urea; Please see that page's history for attribution. G-Lignum (talk) 16:22, 24 February 2024 (UTC)[reply]
