42 research outputs found

    Epstein-Barr virus and childhood Hodgkin's disease in Honduras and the United States

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    In industrialized populations, Hodgkin's disease (HD) has an initial peak in young adulthood, whereas in economically developing populations the initial peak occurs in childhood. This pattern resembles that of infection with poliovirus and suggests an infectious cofactor in the etiology. Serologic studies have linked Epstein-Barr virus (EBV) to young adult and adult HD, and viral nucleic acids and antigens have been detected in a subset of Hodgkin's tumor specimens. To investigate the association of childhood HD with EBV we studied tumor specimens from 11 children treated in Honduras and 25 children treated in the United States using in situ hybridization and antigen detection techniques. Among the patients from Honduras, tumor specimens from all cases were EBV positive. Among the patients from the United States, tumor specimens from six of seven patients with mixed cellularity histology, 2 of 15 with nodular sclerosis histology, and neither of two patients with lymphocyte-predominant histologies were EBV positive. These findings support the hypothesis that EBV contributes to the pathogenesis of HD in children, particularly in mixed cellularity HD, and raises the possibility that there are important geographic, racial, or ethnic factors in the EBV association with HD

    Trust and justice in the formation of joint consultative committees

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    The paper identifies six phases in the creation of new joint staff-management consultative arrangements such as works councils or staff forums. Trust and justice theories are used to analyse the processes involved in initiating, designing, setting up and maintaining such a forum. The resulting framework considers both institutional and interpersonal aspects, and is intended to present researchers with a structure and an agenda for investigating the nature and consequences of the processes involved. The framework also provides initial guidelines to practitioners involved with establishing new consultative arrangements

    Perspectives on Organizational Justice: Concept clarification, social context integration, time and links with morality

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    Organizational justice is concerned with people's fairness perceptions in organizations and has been a popular field of study in the social sciences for at least 25 years. This paper reviews the core concepts, models and questions of organizational justice research. Four research areas that are particularly critical for the future of the field will be highlighted: concept clarification, social context integration, time and links with morality. These areas have received increased attention lately, but there are still relatively few empirical studies and theoretical frameworks that grapple with these issues. Concept clarification is vital for improved consistency of the field and for internal validity of studies. Situating organizational justice in social contexts and in time will be crucial to improve external validity and the usability of organizational justice findings in organizations. Understanding the links between morality and justice at an individual level, and at the organizational and societal levels is necessary if justice researchers want to live up to the promise of their field for society. For each of these four areas, recent developments will be reviewed and avenues for future research discussed
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