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OBJECTIVES School principals play an important role in maintaining the performance and health of teachers but often feel over-burdened themselves and suffer illnesses, which not only impairs their health-promoting function but also leads to limitations in their fitness for the occupation. The aim of our study was, therefore, using objective parameters and(More)
He received his Ph.D. in Operations Management from the University of Rochester's Simon School of Business. He also has a Bachelor's and Master's degree in Mathematics from Brigham Young University. His research interests cover issues in service industries, including structuring service delivery systems, performance measurement, and competition. ABSTRACT:(More)
In a prospective study, over a period of four years 11,528 anonymous questionnaires concerning premature unfitness for work among civil servants were evaluated. The questionnaire was devised by the investigators. The main items of interest were: age, sex, career and occupation, main diagnosis and accompanying symptoms, duration of illness, rehabilitation(More)
Two outbreaks of gastroenteritis caused by rotavirus in geriatric wards are reported. In one case an abrupt beginning among the elderly was seen, in a second case the outbreak was gradual. Rotavirus gastroenteritis is common among children. In elderly people this illness is less often recognised. In this report epidemiologic features, the methods of(More)
UNLABELLED The aim of the study was to investigate the concentration of organochlorine compounds of environmental-medical relevance in biological materials from refugees with regard to their countries of origin and to compare these concentrations with the internal exposure of the German general population. METHODS During medical examination after entry to(More)
The problem of premature unfitness for work of (grammar school) teachers is of great social and social-medical interest. The possible causes and suitable measures of intervention remain a subject of controversy. The aim of this study was, on the basis of a random sample of a large number of cases, to gain a differentiated overview of the extent and type of(More)