Text with Continually Updated Online Reference! The most definitive and trusted reference in medical genetics is back-complete with state-of-the-art web site! The fifth edition of this comprehensive yet practical resource emphasizes application as well as the theory of medical genetics across the full spectrum of inherited disorders. Get expert clinical advice and guidance from over 250 of the world's most trusted authorities in medical genetics. The E-dition features the 5th edition of the textbook, additional new images, weekly updates, and more! With the latest information on prenatal diagnosis, genetic screening, genetic counseling, and treatment strategies, Principles and Practice of Medical Genetics will be an invaluable clinical tool for the practicing physician.