... w In Inorganic Chemistry in Biology and Medicine; Martell, A.; ACS Symposium Series; American Chemical Society: Washington, DC, 1980. 6 INORGANIC CHEMISTRY IN BIOLOGY AND MEDICINE Dynamics ... that several metals, including nickel, vanadium, cadmium, lead, and tin, present in minute quantities in animal tissues, are essential nutrients. Findings that have indicated the essentiality ... . In Inorganic Chemistry in Biology and Medicine; Martell, A.; ACS Symposium Series; American Chemical Society: Washington, DC, 1980. 22 INORGANI C CHEMISTR Y IN BIOLOG Y AND MEDICIN E...