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When system developers design a computer system (or other information ar-tifact), they must inevitably make judgments as to how to abstract the worksystem and how to represent this abstraction in their designs. In the past, such abstractions have been based either on a traditional philosophy of cogni-tion or cognitive psychology or on intuitive, spontaneous(More)
BACKGROUND The aims of this study were to evaluate the prevalence of HIV and its associated demographic and clinical factors among psychiatric inpatients of a general hospital. METHODS This was a single-center, observational, cross-sectional study that included patients consecutively admitted to our unit aged 16 years or older and with no relevant(More)
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