A candidate gene approach of immune mediators effecting the susceptibility to and severity of upper gastrointestinal tract diseases in relation to Helicobacter pylori and Epstein–Barr virus infections
Sander Ouburga,b, J. Bart A. Crusiusb, Elly C. Klinkenberg-Knola, Chris J.J. Muldera, A. Salvador Pen˜aa,b and Servaas A. Morre´ b
