title: Cluster-like headache as an opening symptom of cervical spinal epidural abscess.
authors.affiliation: Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan, Republic of China.
authors.forename: Kuan-Ting
authors.initials: KT
authors.lastname: Liu
authors.forename: Chen-San
authors.initials: CS
authors.lastname: Su