title: MRI outcomes in AS patients after two years of etanercept therapy.
authors.affiliation: Allergy/Immunology and Rheumatology Division, University of Rochester Medical Center, Rochester, NY 14642, USA. christopher-Ritchlin@urmc.rochester.edu
authors.forename: Christopher
authors.initials: C
authors.lastname: Ritchlin
authors.forename: Walter
authors.initials: W
authors.lastname: Maksymowych