Epidurals' benefit for back pain questioned.
Hampton
Tracy
T
D001416:Back Pain / Q000188:drug therapy*; D002908:Chronic Disease; D005938:Glucocorticoids / Q000008:administration & dosage*; D006801:Humans; D007268:Injections, Epidural; D012585:Sciatica / Q000188:drug therapy*
D005938:Glucocorticoids