TY  - RPRT
TI  - Sulphasalazine and ankylosing spondylitis: an open pilot study.
AU  - L E Coelho Andrade
AU  - E Atra
AU  - M Bosi Ferraz
UR  - https://pubmed.ncbi.nlm.nih.gov/2575477/
ID  - 2575477
ER  -