Letter
A sensitive immunoradiometric assay for serum thyroid stimulating hormone.
Br Med J (Clin Res Ed) 1985; 290 doi: https://doi.org/10.1136/bmj.290.6461.69-b (Published 05 January 1985) Cite this as: Br Med J (Clin Res Ed) 1985;290:69
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