RT Journal Article SR Electronic T1 Routine primary immunisation using a longer needle resulted in fewer local reactions in infants JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 117 OP 117 DO 10.1136/ebm.6.4.117 VO 6 IS 4 YR 2001 UL http://ebm.bmj.com/content/6/4/117.abstract AB