The aim of this series is to provide authoritative reviews in the rapidly expanding area of bioinorganic chemistry. The series will present "e;state of the art"e; 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.