1. Efficacy and safety of a single occipital nerve blockade in episodic and chronic cluster headache: A prospective observational study. (August 2017) Authors: Gaul, Charly; Roguski, Jana; Dresler, Thomas; Abbas, Hind; Totzeck, Andreas; Görlinger, Klaus; Diener, Hans-Christoph; Weber, Ralph Journal: Cephalalgia Issue: Volume 37:Number 9(2017) Page Start: 873 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗