Assay of cortisol with a radioimmunoassay method calibrated by isotope dilution-mass spectrometry. A Nordic collaborative study

Olle Lantto Department of Clinical Chemistry, Huddinge, Sweden; Department of Clinical Physiology, Central Laboratory, Helsinki University Hospital, Helsinki, Finland

Bengt Lindbäck Department of Clinical Chemistry, Huddinge, Sweden; Department of Clinical Physiology, Central Laboratory, Helsinki University Hospital, Helsinki, Finland

Asbjörn Aakvaag Huddinge University Hospital, Huddinge, Sweden; Department of Clinical Physiology, Central Laboratory, Helsinki University Hospital, Helsinki, Finland

Meta Damkjaer-Nielsen Hormone Laboratory, Aker Hospital, Oslo, Norway; Department of Clinical Physiology, Central Laboratory, Helsinki University Hospital, Helsinki, Finland

Ulla-Maj Pomoell Hormone Laboratory, Department of Clinical Physiology, Glostrup Hospital, Copenhagen, Denmark; Department of Clinical Physiology, Central Laboratory, Helsinki University Hospital, Helsinki, Finland

Ingemar Björkhem Department of Clinical Chemistry, Huddinge, Sweden; Department of Clinical Physiology, Central Laboratory, Helsinki University Hospital, Helsinki, Finland

References

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Assay of cortisol with a radioimmunoassay method calibrated by isotope dilution-mass spectrometry. A Nordic collaborative study

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