PT - JOURNAL ARTICLE AU - Abarna Ratnarajah AU - Kevin O'Kane TI - A 28-year-old female with persistent back pain and urinary frequency AID - 10.7861/clinmedicine.13-1-56 DP - 2013 Feb 01 TA - Clinical Medicine PG - 56--56 VI - 13 IP - 1 4099 - http://www.rcpjournals.org/content/13/1/56.short 4100 - http://www.rcpjournals.org/content/13/1/56.full SO - Clin Med2013 Feb 01; 13