title: Headache and head injury ... post hoc, or propter hoc?
authors.forename: J
authors.initials: J
authors.lastname: Edmeads
mesh_terms: D006259:Craniocerebral Trauma / Q000150:complications*; D006261:Headache / Q000209:etiology*; D006801:Humans; D012008:Recurrence; D013997:Time Factors