Vermeulen, A A critical evaluation of simple methods for the estimation of free testosterone in serum. [electronic resource] - The Journal of clinical endocrinology and metabolism Oct 1999 - 3666-72 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0021-972X Standard No.: 10.1210/jcem.84.10.6079 doi Subjects--Topical Terms: AdultAgedAged, 80 and overAndrogens--bloodDialysisEvaluation Studies as TopicFemaleHumansHyperthyroidism--bloodImmunoassayMaleMethodsMiddle AgedOsmolar ConcentrationPostmenopause--bloodPregnancySex Hormone-Binding Globulin--metabolismTestosterone--blood