RT Journal Article SR Electronic T1 Telephone based peer support increased duration of breast feeding in primiparous mothers JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 75 OP 75 DO 10.1136/ebn.5.3.75 VO 5 IS 3 YR 2002 UL http://ebn.bmj.com/content/5/3/75.abstract AB