van Onna, Marloes Education improves referral of patients suspected of having spondyloarthritis by general practitioners: a study with unannounced standardised patients in daily practice. [electronic resource] - RMD open 2015 - e000152 p. digital Publication Type: Journal Article ISSN: 2056-5933 Standard No.: 10.1136/rmdopen-2015-000152 doi