Animals 4 Hexachlorobenzene 4 Porphyrias 4 Rats 4 Rats, Wistar 4 Thioctamide 4 Thioctic Acid Time Factors 4 amide 4 article 4 controlled study 4 enzyme activity 4 hexachlorobenzene 4 nonhuman 4 porphyria 4 porphyrin 4 rat 4 thioctic acid 4 uroporphyrinogen decarboxylase 4 5 aminolevulinate synthase 2 5-Aminolevulinate Synthetase 2 Alanine Transaminase 2 Amides 2 Animalia 2 Female 2 Free Radical Scavengers 2 Free Radicals 2 Free radical scavenger 2 Fungicides, Industrial 2 Heme metabolic pathway 2