Georlette, M., & Boon, T. (1981). Immunogenic Cell Variants of a Mouse Teratocarcinoma Confer a Protection Against the Original Non-immunogenic Transplantable Tumor. European Journal of Cancer and Clinical Oncology, 17(10), 1083-1087. https://doi.org/10.1016/0014-2964(81)90292-9 (Original work published 1981)