TY  - RPRT
TI  - Methotrexate for ankylosing spondylitis.
AU  - J Chen
AU  - C Liu
AU  - J Lin
PY  - 2006
DO  - 10.1002/14651858.cd004524.pub3
UR  - https://pubmed.ncbi.nlm.nih.gov/17054209/
ID  - 17054209
ER  -