RT Journal Article SR Electronic T1 Aspirin, 1000 mg, reduced moderate to severe pain in acute migraine headache JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 107 OP 107 DO 10.1136/ebn.8.4.107 VO 8 IS 4 YR 2005 UL http://ebn.bmj.com/content/8/4/107.abstract AB