Toxicology methods 13 Environmental toxicology 12 Environmental aspects 10 Poisons 9 Pollution 9 toxicity 9 Poisoning 8 adverse effects 6 Medicine 5 Pesticides 5 Pharmacology 5 Dissertations, Academic (Ph.D) 4 Drug-herb interactions 4 Ecology 4 Health aspects 4 Herb-Drug Interactions 4 Herbs 4 Industrial toxicology 4 Plants, Medicinal 4 Radiation 4 Risk Assessment 4 Therapeutic use 4 Toxicity Tests 4 Air pollution 3 Dietary Supplements 3 Ecotoxicology 3 Environmental chemistry 3 Environmental health 3 Environmental science 3