Ghirardi, A. ., Carobbio, A. ., Masciulli, A. ., & Barbui, T. . (2018). Incidence of solid tumors in polycythemia vera treated with phlebotomy with or without hydroxyurea: ECLAP follow-up data. Blood Cancer Journal, 8(1), 5. https://doi.org/10.1038/s41408-017-0038-3 (Original work published 2018)