title: Immortal time bias in estimates of mortality among infliximab-treated patients with Crohn's disease.
authors: James D
authors: JD
authors: Lewis
mesh_terms: D000911:Antibodies, Monoclonal / Q000009:adverse effects*; D015982:Bias; D003424:Crohn Disease / Q000188:drug therapy*; D003627:Data Interpretation, Statistical; D005765:Gastrointestinal Agents / Q000009:adverse effects*; D006801:Humans; D000069285:Infliximab; D012107:Research Design
chemical_list: D000911:Antibodies, Monoclonal; D005765:Gastrointestinal Agents; D000069285:Infliximab