As President and organiser of the 26th Congress of the International Society pf Blood Transfusion 'ISBT 2000', I am pleased to introduce this work on the biochemistry of human blood groups, which will serve as a valuable complement to blood group serology work. For this new edition the author has singlehandedly covered virtually all blood group research published before the current year. It is my firm belief that all participants in the ISBT conference will find this book a highly useful addition to their scientific libraries. Vienna, April 2000 W.R. Mayr Congress President Preface This...