PT - JOURNAL ARTICLE ED - , TI - Vaccinating infants with a wide long needle was non-inferior to a narrow short needle for immune response AID - 10.1136/ebm.12.2.41 DP - 2007 Apr 01 TA - Evidence Based Medicine PG - 41--41 VI - 12 IP - 2 4099 - http://ebm.bmj.com/content/12/2/41.short 4100 - http://ebm.bmj.com/content/12/2/41.full SO - Evid Based Med2007 Apr 01; 12