Picard, JJ., Afifi, A., & Pays, A. (1983). An Oncogenic Cell-line Inducing Transplantable Metastasizing Adenocarcinomas in Xenopus-borealis. Carcinogenesis : integrative cancer research, 4(6), 739-743. https://doi.org/10.1093/carcin/4.6.739 (Original work published 1983)