%0 Journal Article %T Tumour necrosis factor inhibitor monotherapy vs combination with MTX in the treatment of PsA: a systematic review of the literature %A Behrens, Frank %A Caete, Juan D. %A Olivieri, Ignazio %A van Kuijk, Arno W. %A McHugh, Neil %A Combe, Bernard %J Rheumatology %V 54 %N 5 %P 915-926 %@ 1462-0324 %D 2015-05-27 %I Oxford University Press %~ DeepDyve