RT Journal Article SR Electronic T1 A non-prescription analgesic alleviated migraine headache pain and symptoms JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 118 OP 118 DO 10.1136/ebn.1.4.118 VO 1 IS 4 YR 1998 UL http://ebn.bmj.com/content/1/4/118.abstract AB