This book is the2^nd improved and expanded edition of "Clinical Enzymology" (Lott/Wolf, 1987). It includes case studies and guidelines for specialists of laboratory medicine and clinicians, devotes each chapter to a specific enzyme or protein marker, contains case studies and guidelines, a section on marker biochemistry and physiology as well as a section on special pathology and analysis. The clear, didactic structure and the multiple choice questions also make the book valuable reading for graduate students in the fields of clinical pathology and laboratory medicine.