The Facts on File Encyclopedia of Health and Medicine is a comprehensive, four-volume reference perfect for a wide audience--from students to health professionals to lay readers--looking for reliable, accurate, accessible health information. Under direction of the Medical Advisory Review Panel, this authoritative reference features contributions from a diverse group of medical professionals--including psychologists, dermatologists, pulmonary and critical care specialists, gynecologists, cardiologists, ophthalmologists, gastroenterologists, and many others. A wide range of topics are covered,...