Volatile anaesthetics Animals 4 Cytochrome P-450 Enzyme System 4 Cytochrome P450 4 Mice 4 allylisopropylacetamide 4 controlled study 4 cytochrome P450 4 enflurane 4 isoflurane 4 male 4 nonhuman 4 5 aminolevulinate synthase 2 5-Aminolevulinate Synthetase 2 Allylisopropylacetamide 2 Aminolevulinic Acid 2 Ammonia-Lyases 2 Anesthetics 2 Anesthetics, Inhalation 2 Animalia 2 Article 2 Brain 2 Cytochrome P-450 CYP2B1 2 Cytochrome P-450 CYP2E1 2 Cytochrome P-450 CYP3A 2 Cytochrome p450 2 D-aminolevulinic acid 2 Enflurane 2 Enzymes 2 Ethanol 2