TY - JOUR T1 - Subgroups within "nonspecific" low back pain. JF - The Journal of Rheumatology JO - J Rheumatol SP - 395 LP - 396 VL - 32 IS - 3 AU - Gordon Waddell Y1 - 2005/03/01 UR - http://www.jrheum.org/content/32/3/395.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -