ChaPter 6
Cardiac monitoring of high dose verapamil in cluster headache - An international Delphi study
Hille Koppen, Jozien Stolwijk, Eric B. Wilms, Vincent van Driel, Michel D. Ferrari*, Joost Haan*
*Both authors contributed equally
Cephalalgia. 2016 Dec;36 (14):1385-1388.