1. Ad Hoc Committee on Classification of Headache;J. Amer. med. Ass; Classification of headache,1962
2. Reflex vasomotor abnormalities in the hands of migrainous subjects;Appenzeller, O.; Davison, K.; Marshall, J.;J. Neurol. Neurosurg. Psychiat,1963
3. The chi-square test for heterogeneity of proportions, after adjustment for stratification;Armitage, P.;J. roy. statist. Soc. B,1966
4. Analysis of symptoms of patients with headaches and their response to treatment with ergot derivatives;Barrie, M.A.; Fox, W.R.; Weatherall, M.; Wilkinson, M.I.P.;Quart. J. Med,1968
5. Neurological disease in an English city;Brewis, M.; Poskanzer, D.C.; Rolland, C.; Miller, H.;Acta neurol. scand,1966