title: Cold spot question heats up.
authors.forename: B
authors.initials: B
authors.lastname: Swerdlow
authors.forename: J N
authors.initials: JN
authors.lastname: Dieter
mesh_terms: D003027:Cluster Headache / Q000175:diagnosis*; D006801:Humans; D008881:Migraine Disorders / Q000175:diagnosis*; D013817:Thermography / Q000592:standards*; D014653:Vascular Headaches / Q000175:diagnosis*