G Tonon, K Boyd, A Lecchi, R Lombardi, A Porcella and M Cattaneo (1997) “Plasma homocysteine levels in 10 patients with polycythemia”, Haematologica. Pavia, Italy, 82(3), pp. 343-344. Available at: https://haematologica.org/article/view/924 (Accessed: 22September2026).