RT Journal Article SR Electronic T1 Sudden unexpected death in infants in the Oxford record linkage area. An analysis with respect to time and place. JF British Journal of Preventive & Social Medicine JO Br J Prev Soc Med FD BMJ Publishing Group Ltd SP 217 OP 224 DO 10.1136/jech.27.4.217 VO 27 IS 4 A1 Fedrick, J YR 1973 UL http://jech.bmj.com/content/27/4/217.abstract AB