Correspondence
Parathyroid hormone and 25-hydroxyvitamin D concentrations in the elderly
Br Med J (Clin Res Ed) 1983; 287 doi: https://doi.org/10.1136/bmj.287.6402.1379-a (Published 05 November 1983) Cite this as: Br Med J (Clin Res Ed) 1983;287:1379Article usage
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