RT Journal Article SR Electronic T1 A 28-year-old female with persistent back pain and urinary frequency JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 444 OP 445 DO 10.7861/clinmedicine.12-5-444 VO 12 IS 5 A1 Abarna Ratnarajah A1 Kevin O'Kane YR 2012 UL http://www.rcpjournals.org/content/12/5/444.abstract