1. Crossing the Quality Chasm;Institute of Medicine (IOM),2001
2. Methods for the Economic Evaluation of Health Care Programmes;Drummond,2015
3. HL-A 27 and the diagnosis of back problems;Kennedy;Rheumatol Rehabil,1975
4. Consolidated health economic evaluation reporting standards (CHEERS) statement;Husereau;BMJ,2013
5. Considerations and preliminary proposals for defining a reference case for economic evaluations in ankylosing spondylitis;Bansback;J Rheumatol,2007