RT Journal Article SR Electronic T1 The "at risk" register: a statistical evaluation. JF British Journal of Preventive & Social Medicine JO Br J Prev Soc Med FD BMJ Publishing Group Ltd SP 129 OP 135 DO 10.1136/jech.24.3.129 VO 24 IS 3 A1 Alberman, E D A1 Goldstein, H YR 1970 UL http://jech.bmj.com/content/24/3/129.abstract AB