title: Meta-analysis of MTHFR polymorphisms and MTX response in RA.
authors.affiliation: Division of Rheumatology, Washington University School of Medicine, 660 S Euclid Avenue, Campus Box 8045, St Louis, MO 63110, USA. prangana@dom.wustl.edu
authors.forename: Prabha
authors.initials: P
authors.lastname: Ranganathan