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Hypogalactosylation of serum N-glycans fails to predict clinical response to methotrexate and TNF inhibition in rheumatoid arthritis

Altan Ercan, Jing Cui, Melissa M Hazen, Franak Batliwalla, Louise Royle, Pauline M Rudd, Jonathan S Coblyn, Nancy Shadick, Michael E Weinblatt, Peter Gregersen, David M Lee and Peter A Nigrovic*

Arthritis Research & Therapy 2012, 14:R43  doi:10.1186/ar3756

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