C Sanz, C Freire, A Ordinas and A Pereira (1999) “An enzyme-linked immunosorbent assay applicable to screen blood donors for IgA deficiency”, Haematologica. Pavia, Italy, 84(10), pp. 887-890. Available at: https://haematologica.org/article/view/1494 (Accessed: 16September2026).