Marcel W. Janssen

Venlo, LI, Netherlands

Last Updated: 09/26/2026

Save publications for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Found 23 publications

Improving the accUracy of Referrals to the emerGency departmEnt of patieNts with chesT pain using the modified HEART score in Emergency Medical Transport (URGENT 2.0): protocol for a multicentre randomised controlled trial.

Improving the accUracy of Referrals to the emerGency departmEnt of patieNts with chesT pain using the modified HEART score in Emergency Medical Transport (URGENT 2.0): protocol for a multicentre randomised controlled trial.

Journal: BMJ open
Published: January 14, 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

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

Abdominal Pain and Cola-Colored Serum.

Abdominal Pain and Cola-Colored Serum.

Journal: Clinical chemistry
Published: August 12, 2022

Point-of-care high-sensitivity troponin-I analysis in capillary blood for acute coronary syndrome diagnostics.

Point-of-care high-sensitivity troponin-I analysis in capillary blood for acute coronary syndrome diagnostics.

Journal: Clinical chemistry and laboratory medicine
Published: November 09, 2021

Effects of Monomeric and Oligomeric Flavanols on Kidney Function, Inflammation and Oxidative Stress in Runners: A Randomized Double-Blind Pilot Study.

Effects of Monomeric and Oligomeric Flavanols on Kidney Function, Inflammation and Oxidative Stress in Runners: A Randomized Double-Blind Pilot Study.

Journal: Nutrients
Published: April 28, 2020

Improved Repeatability of a Vitamin D Assay in Plasma Samples Obtained from Mechanical Separator Tubes.

Improved Repeatability of a Vitamin D Assay in Plasma Samples Obtained from Mechanical Separator Tubes.

Journal: The journal of applied laboratory medicine
Published: November 22, 2019

Non-steroidal anti-inflammatory drugs increase urinary neutrophil gelatinase-associated lipocalin in recreational runners.

Non-steroidal anti-inflammatory drugs increase urinary neutrophil gelatinase-associated lipocalin in recreational runners.

Journal: Scandinavian journal of medicine & science in sports
Published: May 27, 2019

Normocalcemia but still elevated parathyroid hormone levels after parathyroidectomy.

Normocalcemia but still elevated parathyroid hormone levels after parathyroidectomy.

Journal: Clinical case reports
Published: January 10, 2018

Comparison of 7 Published LC-MS/MS Methods for the Simultaneous Measurement of Testosterone, Androstenedione, and Dehydroepiandrosterone in Serum.

Comparison of 7 Published LC-MS/MS Methods for the Simultaneous Measurement of Testosterone, Androstenedione, and Dehydroepiandrosterone in Serum.

Journal: Clinical chemistry
Published: May 13, 2015

Low vacuum versus low volume tubes and the reduction of hemolyzed specimens from the emergency department.

Low vacuum versus low volume tubes and the reduction of hemolyzed specimens from the emergency department.

Journal: Clinical biochemistry
Published: April 29, 2014

A patient with a high concentration of B-type natriuretic peptide (BNP) but normal N-terminal proBNP concentration: A case report.

A patient with a high concentration of B-type natriuretic peptide (BNP) but normal N-terminal proBNP concentration: A case report.

Journal: Clinical biochemistry
Published: April 01, 2014
Showing 1-12 of 23

Last Updated: 09/26/2026