Book excerpt: A Doody's Core Title ESSENTIAL PURCHASE! After six editions, Williams Hematology remains the cornerstone text in the literature for hematology. It’s discrete cell-by-cell approach has always been perceived as the most readily accessible by novices and experts alike, and now it is more clinical than ever through the inclusion of new key points boxes and algorithms that outline discrete strategies for diagnosis and treatment. There are also new chapters on the use of venous access devices, pain management, therapeutic use of cytokines, and flow cytometry. The latest moelcular biology techniques and 300 color plates enhance your diagnostic skills.