منابع مشابه
Editorial: After Five Years
Increasingly journals are using a variety of measures to benchmark the quality of their publications. Upon reflection one can source numerous statistics from reliable sources to find key indicators that showcase both the breadth and depth of relevance of a journal within a global academic and industry community of practice. We thought it especially important to present some key indicators in th...
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Introduction: Almost five years after the crash-landing of the sample return capsule of the Genesis solar wind collection mission, many of the originally defined high-priority goals [1] have been reached or prospects are very good that they will be reached within the next few years. None of the major goals had to be abandoned as a consequence of the crash. This contribution reviews some of the ...
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CMV matrices are the unitary analog of Jacobi matrices; we review their general theory. © 2006 Elsevier B.V. All rights reserved. MSC: 05E35; 47A68; 15A52
متن کاملProximal gastric vagotomy after five years.
A follow-up of 93 patients with chronic duodenal ulceration treated by proximal gastric vagotomy without drainage five to nine years previously shows a high incidence of confirmed recurrent ulceration of 16.1%. In addition, there have been patients with transient recurrent ulceration, and a small group with persistent dyspeptic symptoms but in whom no ulcer has been demonstrated. The operation ...
متن کاملGastroenterostomy after Three to Five Years
It is only iI years since Lester Dragstedt reintroduced vagal section in the treatment of peptic ulcers, yet in this short period, after attaining a popularity almost equal to that of partial gastrectomy, the operation has fallen into disrepute and is now rarely performed. Despite the many failures large numbers of patients have been cured by vagotomy although the different factors producing su...
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ژورنال
عنوان ژورنال: Journal of Economic Perspectives
سال: 1997
ISSN: 0895-3309
DOI: 10.1257/jep.11.3.139