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Autism is a neurodevelopmental disorder characterized by impaired communication and social interaction and may be accompanied by… Expand This paper analyzes the relationship between ethnic fractionalization, polarization, and conflict. In recent years many authors… Expand Natural killer (NK) cells express inhibitory receptors for major histocompatibility complex (MHC) class I antigens, preventing… Expand The first steps in the process of reading a printed word belong to the domain of visual object perception. They culminate in a… Expand Interferon-gamma (IFN-gamma) is a pleiotrophic cytokine with immunomodulatory effects on a variety of immune cells. Mice with a… Expand This paper presents the results of an experiment which investigated elementary school children's conceptual knowledge about the… Expand The study of human microvascular endothelial cells has been limited, because these cells are difficult to isolate in pure culture… Expand Two cell lines have been established from insulinomas obtained by targeted expression of the simian virus 40 T antigen gene in… Expand Antibody-secreting hybrid cells have been derived from a fusion between mouse myeloma cells and spleen cells from a mouse… Expand A wide variety of human adult and fetal tissues were studied by immune-diffusion techniques in agar gel to determine whether they… Expand