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Each of these books represents a flagship volume in the new Best of Archives Journals Series from the American Medical Association. Each book is a compilation of 12-15 of the most significant articles from its corresponding specialty journals published from June 1998 to June 1999. Articles are selected based on their impact on the field and according to the following criteria: New treatments of diagnostic techniques Controversial issues in the field Simplification of a known problem for practicing physicians Information that is important to other specialists Expert commentary is provided a context in which the reader can consider the selection, and make the journal articles more accessible to practicing physicians. Also included is an introduction to each volume to provide an overview of the advancements made in the year, and to place these advancements in context for the practicing physician