RT Journal Article SR Electronic T1 Sacroiliac Joint Pain: Should Physicians Be Blocking Lateral Branches, Medial Branches, Dorsal Rami, or Ventral Rami? JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 488 OP 490 DO 10.1016/S1098-7339(03)00391-2 VO 28 IS 5 A1 Laxmaiah Manchikanti A1 Mark V. Boswell A1 Vijay Singh A1 Hans C. Hansen YR 2003 UL http://rapm.bmj.com/content/28/5/488.abstract AB