The causes are largely unknown, but a new study points to a link involving a chromosomal microdeletion -- and also underscores the value of folic acid as a preventive ... Adding Folic Acid to ...

kcl.ac.uk OBJECTIVE Recent studies have demonstrated the short term efficacy of leflunomide. This study evaluates the efficacy and safety of leflunomide and sulfasalazine in rheumatoid arthritis over ...