This best-selling portable resource provides authoritative definitions for all of the medical acronyms and abbreviations you can expect to encounter in medicine today. The new, 5th Edition features 10,000 completely new entries reflecting the most recent developments in health care - including new clinical trials, new technologies, and new advances. Highlights include the latest virus nomenclature, computer technology, medical informatics, and molecular biology, along with more from the ever-expanding list of organizations and associations. It also includes a CD-ROM that makes the content accessible via computer. What's more, a handheld software version is available on CD-ROM - sold separately, or in a money-saving package together with the book.