There is, I think, something ethereal about i —the square root of minus one. I remember first hearing about it at school. It seemed an odd beast at that time—an intruder hovering on the edge of reality.

Usually familiarity dulls this sense of the bizarre, but in the case of i it was the reverse: over the years the sense of its surreal nature intensified. It seemed that it was impossible to write mathematics that described the real world in …

I and i

Background and Aims:The lack of consensus on how to define and grade adverse postoperative events has greatly hampered the evaluation of surgical procedures. A new classification of complications, initiated in 1992, was updated 5 years ago. It is based on the type of therapy needed to correct the co

The Clavien-Dindo classification of surgical complications: five-year experience.

25. Multiple Imputation for Nonresponse in Surveys. By D. B. Rubin. ISBN 0 471 08705 X. Wiley, Chichester, 1987. 258 pp. £30.25.

Multiple Imputation for Nonresponse in Surveys

Infectious Diseases Society of America.

Aim/Background: The purpose of this study was to evaluate the validity of 3 classifications for assessing liver function, the liver damage and Child-Pugh classifi

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Albumin-Bilirubin (ALBI) Grade as Part of the Evidence-Based Clinical Practice Guideline for HCC of the Japan Society of Hepatology: A Comparison with the Liver Damage and Child-Pugh Classifications

Niels a. van der Gaag, Erik a.J. Rauws, Casper H.J. van Eijck, Marco J. Bruno, Erwin van der Harst, Frank J.G.M. Kubben, Josephus J.G.M. Gerritsen, Jan Willem Greve, Michael F. Gerhards, Ignace H.J.T. de Hingh, Jean H. Klinkenbijl, C. Yung Nio, Steve M.M. de Castro, Olivier R.C. Busch, Thomas M. van Gulik, Patrick M.M. Bossuyt en Dirk J. Gouma Gerelateerd artikel: Ned Tijdschr Geneeskd. 2010;154:a2148

Preoperatieve galwegdrainage voor pancreaskoptumoren: meer complicaties*: RESULTATEN VAN DE DROP-TRIAL

Does Preoperative Biliary Drainage Associated Time Delay Harm? From Trial Design to Conclusion: Reply

Surgery for chronic pancreatitis: pancreatic duct drainage procedures

Front & Back Matter

s 139th Congress of the German Society of Surgery (DGCH) Leipzig, Germany, April 6–8, 2022 Guest Editor: H. Lang (Mainz)

Dirk J. Gouma

Papers

Preoperatieve galwegdrainage voor pancreaskoptumoren: meer complicaties*: RESULTATEN VAN DE DROP-TRIAL

Does Preoperative Biliary Drainage Associated Time Delay Harm? From Trial Design to Conclusion: Reply

Surgery for chronic pancreatitis: pancreatic duct drainage procedures

Front & Back Matter

Contents Vol. 63, 2022