RT Journal Article SR Electronic T1 Self hypnotic relaxation combined with structured attention reduced the discomfort of invasive medical procedures JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 16 OP 16 DO 10.1136/ebn.4.1.16 VO 4 IS 1 YR 2001 UL http://ebn.bmj.com/content/4/1/16.abstract AB