At high latitudes, suitably sensitive radio experiments tuned below 5 MHz detect up to three types of spontaneous radio emissions from the Earth’s ionosphere. In recent years, ground-based and rocket-borne experiments have provided strong evidence for theoretical explanations of the generation mechanism of some of these emissions, but others remain unexplained. Achieving a thorough understandin...

BACKGROUND Little is known about accidental death risks among psychiatric patients. AIMS To examine this issue in the most comprehensive study to date. METHOD National cohort study of all Swedish adults (n = 6 908 922) in 2001-2008. RESULTS There were 22 419 (0.3%) accidental deaths in the total population, including 5933 (0.9%) accidental deaths v. 3731 (0.6%) suicides among psychiatric ...

Using a normalized CES function with factor-augmenting technical progress, we estimate a supply-side system of the US economy from 1953 to 1998. Avoiding potential biases that have occurred in earlier estimations and putting a high emphasis on the consistency of the data set, required by the estimated system, we obtain robust results not only for the aggregate elasticity of substitution but als...

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BACKGROUND The need for and consequence of sacrificing the buccal branch of the facial nerve during parotidectomy is unknown. We sought to determine the indication, frequency, and functional outcome of buccal branch sacrifice. METHODS We conducted a prospective study of all cases of parotidectomy at a tertiary referral center. RESULTS Of 100 consecutive cases of parotidectomy, the buccal br...

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This paper presents a new iterative procedure for solving finite noncooperative games, the reasoning-based expected utility procedure (RBEU), and compares this with existing iterative procedures. RBEU deletes more strategies than iterated deletion of strictly dominated strategies, while avoiding the conceptual problems associated with iterated deletion of weakly dominated strategies. It uses a ...

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