Merola, B Hormonal gradients between inferior petrosal sinuses in various pituitary diseases. [electronic resource] - Acta endocrinologica May 1992 - 419-24 p. digital Publication Type: Journal Article ISSN: 0001-5598 Standard No.: 10.1530/acta.0.1260419 doi Subjects--Topical Terms: Adenoma--bloodAdolescentAdultAgedBlood Specimen Collection--methodsCranial SinusesHormones--bloodHumansMiddle AgedPituitary Diseases--bloodPituitary Neoplasms--bloodRetrospective Studies