WEICHSELBAUM, T E Identification of free tetrahydrocortisone in human peripheral plasma. [electronic resource] - The Journal of clinical endocrinology and metabolism Aug 1959 - 1011-3 p. digital Publication Type: Journal Article ISSN: 0021-972X Standard No.: 10.1210/jcem-19-8-1011 doi Subjects--Topical Terms: Cortisone--analogs & derivativesHumansHydrocortisone--analogs & derivativesTetrahydrocortisone