PCR amplification and cloning of metallothionein complementary DNAs in temperate and Antarctic sea urchin characterized by a large difference in egg metallothionein content - Scudiero, R.; Capasso, C.; Carginale, V.; Riggio, M.; Capasso, A.; Ciaramella, M.; Filosa, S.; Parisi, E. (Cellular and Molecular Life Sciences (CMLS), 1997)