The effect of concurrent administration of phenobarbital on the hepatocarcinogenicity of N-
nitrosodiethylamine (diethylnitrosamine; DENA) in rats was investigated by determination of …

The dose-response relationship was determined in rats for the enhancement by
phenobarbital of diethylnitrosamine (DENA)-initiated neoplastic nodules and hepatocellular …

Abstract Male Sprague-Dawley rats were treated with a combination of N-nitrosomorpholine
(NNM) and phenobarbital and the extent of foci positive for γ-glutamyl transpeptidase (γ-GT) …

The ability of hexachlorobenzene and lindane in diethylnitrosamine (DENA) pretreated rats
to enhance the incidence of gamma-glutamyltrans-peptidase (GGTase)-positive foci was …

The promotion potential of phenobarbital (PB) and 3′-methyl-4-dimethylaminoazobenzene
(3′-Me-DAB) on liver carcinogenesis after initiation with various doses of …

The incidence of gamma-glutamyltranspeptidase (GGT)-positive foci induced by 0.3
mmol/kg diethylnitrosamine (DENA) followed by promotion with 500 ppm sodium …

Abstract Changes in γ-glutamyltransferase (GGT) activity throughout the course of rat
hepatocarcinogenesis induced by brief dietary exposure to N-2-fluorenylacetamide (2-FAA) …

The early stages of dimethylnitrosamine (CAS: 62-75-9)-induced liver cancer and the effect
of administration of phenobarbital (CAS: 50-06-6) after dimethylnitrosamine were studied in …

The effect of subsequent administration of phenobarbital on the
gammaglutamyltranspeptidase (GGT) activity and on the remodeling of nodules induced by …

The effects of phenobarbital (PB) and amobarbital (AB) on the rate of development of
hepatocarcinogenesis induced by N-nitrosodiethylamine (DEN) were studied in mice …