RT Journal Article SR Electronic T1 Breast feeding is associated with decreased risk of sudden infant death syndrome JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 126 OP 127 DO 10.1136/ebmed-2011-100337 VO 17 IS 4 A1 Heinz Zotter A1 Gerhard Pichler YR 2012 UL http://ebm.bmj.com/content/17/4/126.abstract AB