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Primary sclerosing cholangitis (PSC) is an inflammatory disease of unknown etiology. It affects the biliary system and is characterized by fibrosis and progressive obliteration of extrahepatic and intrahepatic bile ducts. Its frequent coexistence with antibody-mediated diseases, certain human leukocyte antigens, and altered lymphocyte mechanisms suggests a(More)
Rapid Serial Visual Presentation, or RSVP, is the electronic equivalent of riffling a book in order to assess its content. RSVP allows space to be traded for time and has tremendous potential to support electronic information browsing and search particularly on small displays. However, before this potential can be realised, it is necessary to investigate(More)
A new schematic framework for navigation is presented which is relevant to physical, abstract and social environments. Navigation is de"ned as the creation and interpretation of an internal (mental) model, and its component activities are browsing, modelling, interpretation and the formulation of browsing strategy. The design of externalizations and(More)
This commentary addresses the recently exploited presentation technique called Rapid Serial Visual Presentation, or RSVP, and identifies a number of applications. It describes a number of different RSVP modes, discusses potentially attractive features and reports the results of experimental investigations. Some of the many issues requiring further research(More)
Rhinophyma is a disfiguring soft-tissue hypertrophy of the nose. It is an uncommon disease that primarily affects Caucasian men in the fifth to seventh decades of life. Nine cases from the authors' series and a comparison of results following various treatment modalities are presented. Eight of the patients were Caucasian and one was African American.(More)
We investigate an important interaction that can take place in a ubiquitous computing environment, that of opportunistic browsing, a form of information gathering on the fly. Opportunistic browsing is characterised by being ubiquitous, unintentional and effortless. In this paper, we clarify the concept of opportunistic browsing and place it within a(More)
The effects of System Response Time, SRT, on interactive graphical problem solving were investigated for fixed SRT's of 0.16, 0.72 and 1.49 seconds. The object was to demonstrate the importance or otherwise of even small SRT values for interactive graphical problem solving of a type which often occurs in Computer Aided Design. A SRT of 1.49 sec was found to(More)