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Recent studies have demonstrated that in peripheral lymphoid tissues of normal mice and healthy humans, 1% to 5% of alphabeta T-cell receptor-positive (TCR(+)) T cells are CD4(-)CD8(-) (double-negative [DN]) T cells, capable of down-regulating immune responses. However, the origin and developmental pathway of DN T cells is still not clear. In this study, by(More)
In 1997 a mental health survey using a 30-item General Health Questionnaire (GHQ-30) and an interview survey of an atomic bombing experience were conducted in survivors of the Nagasaki atomic bombing. Overall psychological distress measured on the basis of the GHQ-30 was greater in the atomic bombing survivors than in the controls. As for the contents of(More)
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