RT Journal Article SR Electronic T1 Review: primary prevention strategies do not delay initiation of intercourse, improve contraceptive use, or reduce pregnancies in adolescent women JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 13 OP 13 DO 10.1136/ebn.6.1.13 VO 6 IS 1 YR 2003 UL http://ebn.bmj.com/content/6/1/13.abstract AB