Gabriella Sozzi, Maria Paola Martelli, Davide Conte, Piergiorgio Modena, Valentina Pettirossi, Stefano A. Pileri, Brunangelo Falini. The EML4-ALK transcript but not the fusion protein can be expressed in reactive and neoplastic lymphoid tissues. Haematologica 2009;94(9):1307-1311; https://doi.org/10.3324/haematol.2009.008045.