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*