RT Journal Article SR Electronic T1 Opening the black box of record linkage JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 1198 OP 1198 DO 10.1136/jech-2012-201376 VO 66 IS 12 A1 Katie Harron A1 Angie Wade A1 Berit Muller-Pebody A1 Harvey Goldstein A1 Ruth Gilbert YR 2012 UL http://jech.bmj.com/content/66/12/1198.2.abstract AB