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harald documents
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Umbra Intensity of a Large Sunspot
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New Non-noble Metal Anode Catalysts for Acid Fuel Cells
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Spherulitic crystallization in lamprophyric magmas and the origin of ocelli
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Calcium channel modulation by neurotransmitters, enzymes and drugs
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Ontogeny of the T-cell antigen receptor within the thymus
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Expression of T-cell antigen receptor genes during fetal development in the thymus
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Membranes: A variety of calcium channels
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Transfection of the CD8 gene enhances T-cell recognition
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Positive selection of antigen-specific T cells in thymus by restricting MHC molecules
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Thymic major histocompatibility complex antigens and the αβ T-cell receptor determine the CD4/CD8 phenotype of T cells
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The generation of mature T cells requires interaction of the αβ T-cell receptor with major histocompatibility antigens
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Ins and outs of Ca2+ transport
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Ancient atmospheric C02 pressures inferred from natural goethites
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Productivity of pre-vascular continental biota inferred from the Fe(CO3)OH content of goethite
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Climate effects on mountain plants
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Female anti-male attack
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Developmental biology: Moonlighting at the pole
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Business and the environment
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