Ad Hoc Committee on Classification of Headache: Classification of Headache. J.A.M.A.179(9):717–718, 62.
2.
FanciullacciM: Iris adrenergic impairment in idiopathic headache. Headache19: 8–13, 1979.
3.
SandriniG, MicieliG, MartignoniE, BonoG, SavoldiF, NappiG: Unilateral impairment of pupillary responsiveness to noxious stimulation of sural nerve in episodic cluster headache. In “Updating in headache”, PfaffenrathV, LundbergPO, SjaastadO Eds, 283–289, Springer-Verlag, New York1985.
4.
SjaastadO: Cluster headache: unilaterality as demonstrated by icital forehead sweating. Cephalalgia3(suppl 1):88–90, 1983.
5.
HermanP: The pupil and headaches. Headache23: 102–105, 1983.
6.
PrusinskyA, BoguckiA: Skin tests with istamine in pain region of cluster headache patients. Cephalalgia5(suppl 3):366–367, 1985.
7.
VijayanN, WatsonC: Corneal sensitivity in cluster headache. Headache25: 104–106, 1985.
8.
NatteroG, AllaisG, BialeL, De LorenzoC: Cutaneous pain threshold in classic and common migraine. Panminerva Med29(1):83–85, 1987.
