S Fruehauf, J Topaly, M Villalobos, MR Veldwijk, S Laufs and AD Ho (2003) “Quantitative real-time polymerase chain reaction shows that treatment with interferon reduces the initially upregulated PRV-1 expression in polycythemia vera patients”, Haematologica. Pavia, Italy, 88(3), pp. 349-351. doi: 10.3324/%x.