article 10 female 10 hyperpigmentation adult 6 controlled study 6 human 6 Animalia 4 Animals 4 animal experiment 4 nonhuman 4 porphyria cutanea tarda 4 priority journal 4 5 hydroxyindoleacetic acid 2 Acetylserotonin O-Methyltransferase 2 Brachyura 2 Chasmagnathus granulata 2 Circadian Rhythm 2 Copper 2 Decapoda (Crustacea) 2 Disease Models, Animal 2 Eggs 2 Embryo, Nonmammalian 2 Environmental Exposure 2 Estuarine crabs 2 Etiology 2 Experimental Hepatic Porphyria 2 Eye Abnormalities 2 Female 2 Hexachlorobenzene 2 Honduras 2