1. Histaminic cephalalgia with duodenal ulcer;Alford;Ann. Allerg.,1945
2. Periodic migrainous neuralgia;Balla;Brit. med. J.,1964
3. Ergotamine tartrate orally in Horton's “Histaminic Cephal-gia” (also called Harris's “Ciliary Neuralgia”);Ekbom;Acta psychiat,1947