TY - JOUR T1 - Morphological Findings of Asymmetrical and Dystrophic Psoas and Piriformis Muscles in Chronic Lower Back Pain during CT Guided Botulinum Toxin Injections JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med SP - 104 LP - 104 DO - 10.1136/rapm-00115550-199823031-00104 VL - 23 IS - Suppl 1 AU - Samuel K. Yue Y1 - 1998/05/01 UR - http://rapm.bmj.com/content/23/Suppl_1/104.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -