Subject
Male; Animals; Rats; Chemoprevention; Phenobarbital; Plants; Biochemical Phenomena; Nitrosamines; Preventive Cardiovascular Nurses Association; Proteins – Metabolism; Cell Physiology – Drug Effects; Liver Neoplasms – Metabolism; Liver Neoplasms – Pathology; Antineoplastic Agents – Therapeutic Use; Liver Neoplasms – Prevention and Control; Liver – Pathology; Plant Extracts – Therapeutic Use; Apoptosis – Drug Effects; Liver Neoplasms – Chemically Induced