RT Journal Article SR Electronic T1 Water based pillows reduced pain and improved sleep and disability in patients with cervical pain JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 17 OP 17 DO 10.1136/ebn.1.1.17 VO 1 IS 1 YR 1998 UL http://ebn.bmj.com/content/1/1/17.abstract AB