uroporphyrinogen decarboxylase 76 article 58 Female 48 Uroporphyrinogen Decarboxylase 48 nonhuman 48 Rats 44 porphyrin 42 rat 40 Hexachlorobenzene 38 hexachlorobenzene 38 Carboxy-Lyases 36 Liver 36 Porphyrins 34 Support, Non-U.S. Gov't 34 animal experiment 34 Animal 30 female 30 Porphyria 28 controlled study 26 human 26 porphyria 26 animal model 24 liver 24 Rats, Wistar 22 enzyme activity 22 porphyria cutanea tarda 22 Animals 20 priority journal 20 Porphyrinogens 18 male 18