533 Patients with ankylosing spondylitis, seen and followed in the period 1948 to 1971.
Open Access
- 1 July 1973
- journal article
- research article
- Published by Elsevier in Annals of the Rheumatic Diseases
- Vol. 32 (4) , 383-385
- https://doi.org/10.1136/ard.32.4.383-b