1. WEISBURGEA JH, MADISON RM, WARD JM, VIGUERA C, WE1SBURGER EK. Modification of diethyinitrosamine liver carcinogenesis with phenobarbital but not with immunosuppression. JNCi 1975; 54: 1185-1188.
2. KITAGAWA T, SUGANO H. Enhancing effect of phenobarbital on the development of enzyme.aitered isiands and hepatocelular carcinomas initiated by 3-methyl-4-(dimethylamino)azobenzene or diethylnitrosamine. GANN 1978; 69: 679-687.
3. PUGH TD, GOLDFARB S. Quantitative histochemical and autoradiographic studies of hepatocarcinogenesis in rats fed 2-acetylaminofluorene followed by phenobarbital. Cancer Res 1978; 38: 4450-4457.
4. WATANABE K, WILLIAMS GM. Enhancement of rat hepatocellular- altered foci by the liver tumor promoter phenobarbital: evidence that foci are precursors of neoplasms and that the promoter acts on carcinogen-induced lesions. JNCI 1978; 61: 1311-1314.
5. KITAGAWA T, PITOT HC, MiLLER EC, M1LLER JA. Promotion by dietary phenobarbital of hepatocarcinogenesis by 2-methyi-N,N-dimothy1-4-aminoazobenzene in the rat. Cancer Res 1979; 39:112-115.