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Expression of HLA-DR antigens and infiltration of T-lymphocyte subsets (CD4, CD8), cell activation marker (CD25), B cells (CD20), macrophages (CD68 and Ber-Mac 3) and natural killer cells (CD56) in(More)
Shigella and Salmonella antibodies in relation to diarrhoea were studied in a cohort of 413 children between 2 and 27 months of age in peri-urban Lima, Peru. Blood samples were obtained at 2, 3 and(More)