title: Letter: switching from one to another anti-tumour necrosis factor alpha agent, and the risks of an overlap of exposure.
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy. fsmacaluso@gmail.com.
authors.forename: F S
authors.initials: FS
authors.lastname: Macaluso
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy.
authors.forename: V
authors.initials: V
authors.lastname: Criscuoli
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy.
authors.forename: E
authors.initials: E
authors.lastname: Orlando
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Rizzuto
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy.
authors.forename: S
authors.initials: S
authors.lastname: Renna
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy.
authors.forename: M
authors.initials: M
authors.lastname: Cottone
authors.affiliation: Division of Internal Medicine, Di.Bi.M.I.S., "Villa Sofia-Cervello" Hospital, University of Palermo, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Orlando
mesh_terms: D000911:Antibodies, Monoclonal / Q000627:therapeutic use*; D061067:Antibodies, Monoclonal, Humanized / Q000627:therapeutic use*; D006801:Humans; D007140:Immunoglobulin Fab Fragments / Q000627:therapeutic use*; D007166:Immunosuppressive Agents / Q000627:therapeutic use*; D015212:Inflammatory Bowel Diseases / Q000188:drug therapy*; D011092:Polyethylene Glycols / Q000627:therapeutic use*; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
chemical_list: D000911:Antibodies, Monoclonal; D061067:Antibodies, Monoclonal, Humanized; D007140:Immunoglobulin Fab Fragments; D007166:Immunosuppressive Agents; D014409:Tumor Necrosis Factor-alpha; D011092:Polyethylene Glycols