%0 Journal Article %B Spine (Phila Pa 1976) %D 2012 %G eng %M 22146289 %P 1151-5 %T Feasibility of using short message service to collect pain outcomes in a low back pain clinical trial %V 37 %7 2011/12/08 %8 -35726387164 %@ 1528-1159 (Electronic)0362-2436 (Linking)