Percentage of patients with spondyloarthritis in patients referred because of chronic back pain and performance of classification criteria: experience from the Spondyloarthritis Caught Early (SPACE) cohort (vol 52, pg 1492, 2013)
Author(s):
Berg, R. van den; Hooge, M. de; Gaalen, F. van; Reijnierse, M.; Huizinga, T.; Heijde, D. van der