Folic acid and folinic acid for reducing side effects in patients receiving methotrexate for rheumatoid arthritis.
Cochrane Database Syst Rev. 2013 May 31;2013(5):CD000951. doi: 10.1002/14651858.CD000951.pub2.
Cochrane Database Syst Rev. 2013.
PMID: 23728635
Free PMC article.
Review.