1. Metallothionein I;Kagi,1979
2. Metallothionein II;Kagi,1987
3. Metallothionein III;Suzuki,1993
4. Metallothionein IV;Klaassen,1997
5. Metallothioneins: Synthesis, Structure and Properties of Metallothioneins, Phytochelatins and Metal–Thiolate Complexes;Shaw III,1992