Alternative treatment Cancer Neoplasms 4 drug therapy Dietary supplements 2 Drug-herb interactions 2 Drug-nutrient interactions 2 more ... Herb-Drug Interactions 2 Herbs 2 Plants, Medicinal 2 Toxicology 2 adverse effects 2 Antineoplastic Agents, Phytogenic 1 Ascorbic Acid 1 Complementary Therapies 1 Medicine 1 Pharmaceutical Preparations 1 Political aspects 1 Politics 1 Research 1 Therapeutic use 1 Vitamin C 1 Vitamin therapy 1 diet therapy 1 pharmacokinetics 1 prevention & control 1 therapeutic use 1 less ...