title: Switching tumor necrosis factor inhibitors: an opinion.
authors.affiliation: University of Toronto, Canada. edkeystone@mtsinai.on.ca
authors.forename: Edward C
authors.initials: EC
authors.lastname: Keystone
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D006801:Humans; D000079424:Tumor Necrosis Factor Inhibitors; D048069:Tumor Necrosis Factors / Q000378:metabolism
chemical_list: D018501:Antirheumatic Agents; D000079424:Tumor Necrosis Factor Inhibitors; D048069:Tumor Necrosis Factors