The Chinese soft-shelled turtle, Pelodiscus sinensis, excretes urea mainly through the mouth instead of the kidney

Journal of Experimental Biology (2012) - Comment
pubmed: 23053366 doi: 10.1242/jeb.068916 issn: 1477-9145 issn: 0022-0949

Yuen K. Ip, Ai M. Loong, Serene M. L. Lee, Jasmine L. Y. Ong, Wai P. Wong, Shit F. Chew