RT Journal Article SR Electronic T1 Circadian Factors in Cluster Headache and Migraine JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1035 OP 1036 DO 10.1212/WNL.0000000000207329 VO 100 IS 22 A1 Heidi G. Sutherland A1 Lyn R. Griffiths YR 2023 UL http://n.neurology.org/content/100/22/1035.abstract AB