title: [Severe headache in a patient with migraine. Here "diagnosis at a glance" provided the clue. Acute glaucoma attack].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005901:Glaucoma / Q000150:complications* / Q000175:diagnosis*; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000175:diagnosis*