RT Journal Article SR Electronic T1 A New Method of Standardizing Death Rates JF British Journal of Preventive & Social Medicine JO Br J Prev Soc Med FD BMJ Publishing Group Ltd SP 154 OP 155 DO 10.1136/jech.12.3.154 VO 12 IS 3 A1 Kerridge, D. YR 1958 UL http://jech.bmj.com/content/12/3/154.abstract AB