World Congress of Gastroenterology.
—The World Congress of Gastroenterology and the 59th Annual Meeting of the American Gastroenterological Association will be held in Washington, D. C., at the Sheraton Park Hotel, May 25 to 31, inclusive, 1958. The objective of this Congress is to bring together scientists from all parts of the globe who are actively contributing new knowledge and experience in the fundamental sciences or in the clinical behavior patterns related to disorders of the alimentary tract.Participants in the symposia listed under "tentative program" will be selected by the central committee by invitation. Diseases have been chosen for discussion which show variations in epidemiology and clinical behavior in various parts of the world. It is hoped that these differences will be analyzed by critical scientists and physicians, purposely selected from countries where such differences are known to exist. Each participant in these symposia will be asked to