Seth, J A sensitive immunoradiometric assay for serum thyroid stimulating hormone: a replacement for the thyrotrophin releasing hormone test? [electronic resource] - British medical journal (Clinical research ed.) Nov 1984 - 1334-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0267-0623 Standard No.: 10.1136/bmj.289.6455.1334 doi Subjects--Topical Terms: AdultAgedHumansHyperthyroidism--diagnosisMiddle AgedRadioimmunoassay--methodsThyroid Function TestsThyrotropin--bloodThyrotropin-Releasing HormoneTime Factors