RT Journal Article SR Electronic T1 Higher maternal age at birth was associated with increased self sufficiency of children at age 27 to 33 years JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 123 OP 123 DO 10.1136/ebn.1.4.123 VO 1 IS 4 YR 1998 UL http://ebn.bmj.com/content/1/4/123.abstract AB