Ferri's Differential Diagnosis is a quick reference to the differential diagnosis, etiology, and classification of clinical disorders, signs, and symptoms. Dr. Fred F. Ferri-the respected best-selling author-presents over 1000 signs, symptoms, and clinical disorders. Comprehensive yet small enough to fit in your pocket, this portable guide is a rapid resource for everything you see in daily practice-from abdominal distension to Zenker's Diverticulum.