1. Multiple sclerosis;Miller,1968
2. Two space-time interaction tests for epidemicity;David;Brit J Prev Soc Med,1966
3. Epidemiology of childhood leukaemia in Northumberland and Durham;Knox;Brit J Prev Soc Med,1964
4. A statistical problem in space and time: Do leukemia cases come in clusters?;Ederer;Biometrics,1964
5. Acute leukaemia in New England;Merrington;Brit J Prev Soc Med,1969