H1N1 vaccines in a large observational cohort of patients with inflammatory bowel disease treated with immunomodulators and biological therapy

Rahier Jean-Francois, Papay Pavol, Salleron Julia, Sebastian Shaji, Marzo Manuela, Peyrin-Biroulet Laurent, Garcia-Sanchez Valle, Fries Walter, Van Asseldonk Dirk P., Farkas Klaudia, De Boer Nanne K., Sipponen Taina, Ellul Pierre, Louis Edouard, Peake Simon T. C., Kopylov Uri, Maul Jochen, Makhoul Badira, Fiorino Gionata, Yazdanpanah Yazdan, Chaparro Maria, European Crohn’s and Colitis Organisation (ECCO)
2011