Heleen I. Jansen

Amsterdam, NH, Netherlands

Last Updated: 09/26/2026

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Found 15 publications

EndoCompass Project: Research Roadmap for Thyroid Endocrinology.

EndoCompass Project: Research Roadmap for Thyroid Endocrinology.

Journal: Hormone research in paediatrics

Published: October 14, 2025

Age-specific reference intervals for thyroid-stimulating hormone and free thyroxine to optimize diagnosis of thyroid disease

Age-specific reference intervals for thyroid-stimulating hormone and free thyroxine to optimize diagnosis of thyroid disease

Journal: Nederlands tijdschrift voor geneeskunde

Published: April 14, 2025

EndoCompass project: research roadmap for thyroid endocrinology.

EndoCompass project: research roadmap for thyroid endocrinology.

Journal: European journal of endocrinology

Published: January 19, 2025

Age-Specific Reference Intervals for Thyroid-Stimulating Hormones and Free Thyroxine to Optimize Diagnosis of Thyroid Disease.

Age-Specific Reference Intervals for Thyroid-Stimulating Hormones and Free Thyroxine to Optimize Diagnosis of Thyroid Disease.

Journal: Thyroid : official journal of the American Thyroid Association

Published: September 16, 2024

The need for the GREAT+ score to predict relapse in Graves' disease: a questionnaire among patients and internal medicine specialists.

The need for the GREAT+ score to predict relapse in Graves' disease: a questionnaire among patients and internal medicine specialists.

Journal: Journal of endocrinological investigation

Published: January 16, 2024

Should we depend on reference intervals from manufacturer package inserts? Comparing TSH and FT4 reference intervals from four manufacturers with results from modern indirect methods and the direct method.

Should we depend on reference intervals from manufacturer package inserts? Comparing TSH and FT4 reference intervals from four manufacturers with results from modern indirect methods and the direct method.

Journal: Clinical chemistry and laboratory medicine

Published: November 01, 2023

Optimizing the Dutch newborn screening for congenital hypothyroidism by incorporating amino acids and acylcarnitines in a machine learning-based model.

Optimizing the Dutch newborn screening for congenital hypothyroidism by incorporating amino acids and acylcarnitines in a machine learning-based model.

Journal: European thyroid journal

Published: July 20, 2023

Stability of TSH receptor antibody concentrations and comparability of its immunoassays.

Stability of TSH receptor antibody concentrations and comparability of its immunoassays.

Journal: Clinica chimica acta; international journal of clinical chemistry

Published: May 17, 2023

Increased fT4 concentrations in patients using levothyroxine without complete suppression of TSH.

Increased fT4 concentrations in patients using levothyroxine without complete suppression of TSH.

Journal: Endocrine connections

Published: February 06, 2023

Hypothyroidism: The difficulty in attributing symptoms to their underlying cause.

Hypothyroidism: The difficulty in attributing symptoms to their underlying cause.

Journal: Frontiers in endocrinology

Published: December 23, 2022

Lower accuracy of testosterone, cortisol, and free T4 measurements using automated immunoassays in people undergoing hemodialysis.

Lower accuracy of testosterone, cortisol, and free T4 measurements using automated immunoassays in people undergoing hemodialysis.

Journal: Clinical chemistry and laboratory medicine

Published: November 08, 2022

Description and validation of an equilibrium dialysis ID-LC-MS/MS candidate reference measurement procedure for free thyroxine in human serum.

Description and validation of an equilibrium dialysis ID-LC-MS/MS candidate reference measurement procedure for free thyroxine in human serum.

Journal: Clinical chemistry and laboratory medicine

Published: November 08, 2022

Showing 1-12 of 15

Last Updated: 09/26/2026