The F. A. Davis Pearls Series provides concise information covering a wide range of specialties that range from obstetrics to geriatrics, su rgery to psychiatry, orthopaedics to neurology, gynecology to emergenc y medicine. The goal of the series is to introduce students to 95% of the clinical problems they are likely to encounter in their rotations, and to suggest approaches for dealing with these situations. The book s are succinctly written so they can be read in a few hours.