A hospital-based observational cohort study exploring pain and biomarkers in patients with hand osteoarthritis in Norway: The Nor-Hand protocol
Marthe Gløersen, Elisabeth Mulrooney, Alexander Mathiessen, Hilde Berner Hammer, Barbara Slatkowsky-Christensen, Karwan Faraj, Thore Isaksen, Tuhina Neogi, Tore K Kvien, Karin Magnusson, Ida Kristin Haugen
BMJ Open Sep 2017, 7 (9) e016938; DOI: 10.1136/bmjopen-2017-016938