The aim of this series is to provide authoritative reviews in the rapidly expanding area of bioinorganic chemistry. The series will present \"state of the art\" reviews covering the whole field of bioinorganic chemistry. The present volume is the fourth in the series and covers the topics: lithium in biology, the structure and function of ceroplasmin, rhenium complexes in nuclear medicine, the anti-HIV activity of macrocyclic polyamines and their metal complexes for dinuclear phosphoesterase enzymes.