1. Cluster headache, mechanism and management;Kudrow, L.,1980
2. The headaches;Sorensen, S.A.,1993
3. Ergotamine tartrate orally in Horton's "histaminic cephalgia" (also called Harris's "ciliary neuralgia");Ekbom, K.A.;Acta Psyciatr,1947
4. A particular variety of headache;Symonds, C.;Brain,1956
5. Histaminic cephalgia;Robinson, B.W.;Medicine,1958