Préat, V., Lans, M., De Gerlache, J., Taper, H., & Roberfroid, M. (1987). Influence of the duration and the delay of administration of phenobarbital on its modulating effect on rat hepatocarcinogenesis. Carcinogenesis : integrative cancer research, 8(2), 333-335. https://doi.org/10.1093/carcin/8.2.333 (Original work published 1987)