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Nineteen patients with displaced four-part fracture or fracture-dislocation of the proximal humerus were retrospectively studied to investigate the incidence of avascular necrosis and its clinical importance. The average followup duration was 23.6 months. No incidence of avascular necrosis of the humeral head with subchondral collapse was found. Four… (More)
Information on the effects of long-term organoarsenical consumption by mammals is limited despite the fact that foodstuffs, especially seafood, often contain organoarsenicals at very high concentrations. Here we evaluate the intake, uptake, and excretion (urine and feces) of arsenic by sheep that live on North Ronaldsay in the Orkney Islands and naturally… (More)
Zusammenarbeit mit dem Fachbereich 5 der Gesellschaft für Informatik e.V. und der Wissenschaftlichen Kommission Wirtschaftsinformatik (WKWI) im Verband der Hochschullehrer für Betriebswirtschaft e.V.
Recommender systems give advice about products, information or services users might be interested in. They are intelligent applications to assist users in a decision-making process where they want to choose one item amongst a potentially overwhelming set of alternative products or services. And they are probably among the most prominent applications having… (More)