title: Intravenous pamidronate in treatment of non-steroidal anti-inflammatory drug-refractory ankylosing spondylitis.
authors.affiliation: Allergy/Immunology and Rheumatology Unit, Strong Memorial Hospital/University of Rochester Medical Center, Box 695, 601 Elmwood Avenue, Rochester, NY 14642, USA. christopher_ritchlin@urmc.rochester.edu
authors.forename: Christopher T
authors.initials: CT
authors.lastname: Ritchlin