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Showing articles 0 to 2 of 2 Filter Applied: vitamin A (Click to remove) Why cant I see in the dark? BMJ 373:m1573, Khan, S.,et al, 2021 Serum Concentrations of Vitamins A and E and Early Outcome after Ischaemic Stroke Lancet 339:1562-1565, DeKeyser,J.,et al, 1992 Showing articles 0 to 2 of 2