Authors: B Rowe; N T Begg; D N Hutchinson; H C Dawkins; R J Gilbert; M Jacob; B H Hales; F A Rae; M Jepson Journal: Lancet Date: 1987-10-17 Impact factor: 79.321
Authors: R L Salmon; S R Palmer; C D Ribeiro; P Hutchings; T J Coleman; F J Willis; T N Allsup; W N Ritchie Journal: J Epidemiol Community Health Date: 1991-12 Impact factor: 3.710
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