title: [A comment. Lymphocytosis and headache].
authors.forename: L L
authors.initials: LL
authors.lastname: Thomsen
authors.forename: M B
authors.initials: MB
authors.lastname: Russell
mesh_terms: D001927:Brain Diseases / Q000134:cerebrospinal fluid / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006261:Headache / Q000134:cerebrospinal fluid / Q000209:etiology*; D006801:Humans; D008218:Lymphocytosis / Q000134:cerebrospinal fluid / Q000150:complications / Q000175:diagnosis*; D008881:Migraine Disorders / Q000209:etiology; D013577:Syndrome