RT Journal Article SR Electronic T1 A social support intervention alone and with reminders improved appointment keeping among patients with chronic illnesses JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 80 OP 80 DO 10.1136/ebn.1.3.80 VO 1 IS 3 YR 1998 UL http://ebn.bmj.com/content/1/3/80.abstract AB