494 Efficacy and Safety of Certolizumab Pegol in Patients with Active Crohn's Disease Who Previously Lost Response or Were Intolerant to Infliximab: Open-Label Induction Preliminary Results of the Welcome Study

Séverine Vermeire, María T. Abreu, Geert D’Haens, Jean–Frédéric Colombel, Krassimir Mitchev, Richard N. Fedorak, Andreas Raedler, William J. Sandborn, Paul Rutgeerts

Gastroenterology · 2008 · 25 citations · 1 references

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