APA (7th ed.) Citation

Wilcha, R., & Goadsby, P. J. Verapamil in patients with cluster headache with concurrent migraine. SAGE Publishing.

Chicago Style (17th ed.) Citation

Wilcha, Robyn-Jenia, and Peter J. Goadsby. Verapamil in Patients with Cluster Headache with Concurrent Migraine. SAGE Publishing.

MLA (9th ed.) Citation

Wilcha, Robyn-Jenia, and Peter J. Goadsby. Verapamil in Patients with Cluster Headache with Concurrent Migraine. SAGE Publishing.

Warning: These citations may not always be 100% accurate.