title: A 22-year-old woman with severe headaches, vomiting, and tonic-clonic seizures.
authors.affiliation: Massachusetts General Hospital, Boston, MA 02114, USA.
authors.forename: Mollie
authors.initials: M
authors.lastname: Dahlgren
authors.forename: Arezou
authors.initials: A
authors.lastname: Khosroshahi
authors.forename: John H
authors.initials: JH
authors.lastname: Stone
mesh_terms: D046349:Coproporphyria, Hereditary / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004830:Epilepsy, Tonic-Clonic / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006261:Headache / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D012720:Severity of Illness Index; D014839:Vomiting / Q000175:diagnosis* / Q000209:etiology; D055815:Young Adult