Platelets are fragments of blood cells that occur in the blood of vertebrates and are associated with blood clotting. Scientists have made great strides in recent years in understanding what stimulates platelets to form blood clots at the molecular level and in developing drugs to inhibit platelet action. Their work has a direct effect on millions of people who deal with cardiovascular disease, strokes, surgery, physical trauma, and other conditions. While references to platelet function have been included in some large texts, there has not been a basic reference manual that researchers and...