Neoplastic and possibly related skin lesions in neotonic tiger salamanders from a sewage lagoon

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Science  15 Apr 1977:
Vol. 196, Issue 4287, pp. 315-317
DOI: 10.1126/science.847473


Tiger salamanders (Ambystoma tigrinum) inhabiting a sewage sedimentation lagoon become neotenic, and approximately one-third develop neoplastic skin lesions including cancer. Circumstances suggest a chemical etiology for the neoplasms.