Transfusional medicine is a young discipline, whereas the AB0 system was discovered only at the beginning of the last century, and that the neonatal haemolytic disease has been described in the middle of the 20^th century. However, the evolution of technologies and diagnostic systems for immunohaematology, especially in recent decades, has been very intense and fast, and today the transfusional process, from the donation of blood until the transfusion of the patient, is perfectly controlled.
This volume aims to highlight the main critical moments in which the operator must pay close attention, and at the same time offers the cultural, organizational and instrumental means for error prevention.