E Zucca, E Roggero, N Maggi-Solca, A Conconi, F Bertoni, I Reilly, D Castelli, E Pedrinis, JC Piffaretti, F Cavalli. Prevalence of Helicobacter pylori and hepatitis C virus infections among non-Hodgkin’s lymphoma patients in Southern Switzerland. Haematologica 2000;85(2):147-153; https://doi.org/10.3324/%x.