title: Headache as the only sign of pheochromocytoma: an analysis.
authors.forename: N
authors.initials: N
authors.lastname: Udayakumar
authors.forename: S
authors.initials: S
authors.lastname: Sivaprakash
authors.forename: M
authors.initials: M
authors.lastname: Chandrasekaran
mesh_terms: D000293:Adolescent; D000310:Adrenal Gland Neoplasms / Q000150:complications*; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D010673:Pheochromocytoma / Q000150:complications*; D055815:Young Adult