title: New daily persistent headaches: another traveling companion of the older headache doctor.
authors.forename: R Steven
authors.initials: RS
authors.lastname: Singer
mesh_terms: D020773:Headache Disorders / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D010818:Practice Patterns, Physicians'; D012017:Referral and Consultation / Q000706:statistics & numerical data; D017211:Treatment Failure