RT Journal Article SR Electronic T1 Targeting sleep disruption using sodium oxybate in chronic cluster headache prophylaxis JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 16 OP 17 DO 10.1212/WNL.0b013e3182231445 VO 77 IS 1 A1 Stephen D. Silberstein A1 Matthew S. Robbins YR 2011 UL http://n.neurology.org/content/77/1/16.abstract AB