1. Frausto da Silva, J.J.R., Williams, R.J.P.: The Biological Chemistry of the Elements; The Inorganic Chemistry of Life. Clarendon Press, Oxford (1991)
2. Bertini, I., Gray, H.B., Lippard, S.J., Valentine, J.S.: Bioinorganic Chemistry. University Science Books, Mill Valley (1994)
3. Goodman Gilman, A., Goodman, L.S.: Goodman and Gilman’s the Pharmacological Basis of Therapeutics, 10th edn. Mc-Graw Hill, New Jersey (2002)
4. Kimura, E., Kurogi, Y., Shionoya, M., Shira, M.: Synthesis, properties, and complexation of a new imidazole-pendant macrocyclic 12-membered triamine ligand. Inorg. Chem. 30, 4524–4529 (1991)
5. Schayer, R.W.: The metabolism of ring labeled histamine. J. Biol. Chem. 196, 469–475 (1952)