title: Methotrexate versus combination methotrexate and etanercept for rheumatoid arthritis.
authors.affiliation: Division of Rheumatology and Clinical Immunology, Division of Pediatric Rheumatology, University of Pittsburgh, Children's Hospital, PA, USA. aarat.patel@chp.edu
authors.forename: Aarat M
authors.initials: AM
authors.lastname: Patel
authors.forename: Larry W
authors.initials: LW
authors.lastname: Moreland