RT Journal Article SR Electronic T1 Adults with chronic low back pain felt frustrated, unsupported, and powerless with healthcare, social, and legal systems JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 29 OP 29 DO 10.1136/ebn.3.1.29 VO 3 IS 1 YR 2000 UL http://ebn.bmj.com/content/3/1/29.abstract AB