Gabai I J, Spierings E L
Headache. 1989 Mar;29(3):167-8. doi: 10.1111/j.1526-4610.1989.hed2903167.x.
An open study of verapamil in cluster headache is reported. Forty-eight patients participated in the study of whom 33 (= 69%) improved more than 75%. No significant differences in response were observed between episodic and chronic cluster headache.
本文报告了一项关于维拉帕米治疗丛集性头痛的开放性研究。48名患者参与了该研究，其中33名（69%）改善超过75%。发作性和慢性丛集性头痛在反应上未观察到显著差异。
