Should anti-TNF-α drug levels and/or anti-drug antibodies be assayed in patients treated for rheumatoid arthritis?

Should anti-TNF-α drug levels and/or anti-drug antibodies be assayed in patients treated for rheumatoid arthritis?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Joint Bone Spine - Volume 79, Issue 2, March 2012, Pages 109-112

Denis Mulleman, Emilie Ducourau, Gilles Paintaud, David Ternant, Hervé Watier, Philippe Goupille,