title: Nonmydriatic ocular fundus photography among headache patients in an emergency department.
authors: Jason
authors: J
authors: Appleton
authors: David
authors: D
authors: Nicholl
mesh_terms: D004636:Emergency Service, Hospital; D005128:Eye Diseases / Q000175:diagnosis*; D005260:Female; D005654:Fundus Oculi; D006261:Headache / Q000473:pathology*; D006801:Humans; D008297:Male; D009887:Ophthalmoscopy; D010781:Photography / Q000379:methods*