RT Journal Article SR Electronic T1 Review: recall or reminder systems improve the rate of childhood and adult immunisation JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 43 OP 43 DO 10.1136/ebn.4.2.43 VO 4 IS 2 YR 2001 UL http://ebn.bmj.com/content/4/2/43.abstract AB