Muller-SchweinitzerE, WeidmanH: Regional differences in the responsivness of isolated arteries from cattle, dog and man.Agents Actions1977; 7: 383–389
2.
SakaiF, MeyerJS: Regional cerebral haemodynamics during migraine and cluster headache measured by the 133 Xenon inhalation method.Headache1978; 18: 122–132
AndersenAR, Tfelt-HansenP, LassenA: The effect of ergotamine and dihydroergotamine on cerebral blood flow in man.Stroke1987; 18: 120–1235.
5.
Headache classification committee of the international headache society.Classification and diagnosis criteria for headache disorders, cranial neuralgia and facial pain.Cephalalgia1988; 8, supp 7: 1–96