For over 100 years, health care professionals have relied on Dorland's for its unmatched comprehensiveness, accuracy, clarity, and ease of use. Now, the 30th Edition of the world's finest medical dictionary features an all-new design with full-color, three-dimensional line art, color photography, and diagnostic and pathologic images. The New Edition features more than 125,000 terms, including over 3,000 new terms -- over 800 related to complementary and alternative medicine -- as well as improved and expanded appendices. An accompanying CD-ROM includes the Dorland's Spellchecker program.