Mining the Age-Dependent Reference Intervals of B Vitamins from Routine Laboratory Test Results von Evliyaoglu, Osman, van Helden, Josef, Imöhl, Matthias, Weiskirchen, Ralf

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The biotin interference within interference suppressed immunoassays von Kabiri, Payam, Weiskirchen, Ralf, van Helden, Josef

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Age-independent anti-Müllerian hormone (AMH) standard deviation scores to estimate ovarian function von Helden, Josef van, Weiskirchen, Ralf

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Age-specific reference values improve the diagnostic performance of AMH in polycystic ovary syndrome von Evliyaoglu, Osman, Imöhl, Mathias, Weiskirchen, Ralf, van Helden, Josef

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Retarded decline of the share of SARS‐CoV‐2‐positive children in North Rhine‐Westphalia, Germany von Häusler, Martin, Helden, Josef, Kleines, Michael

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Has GnRH a direct role in AMH regulation? von van Helden, Josef, Evliyaoglu, Osman, Weiskirchen, Ralf

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Disorders of the glucose metabolism correlate with the phenotype and the severity in women with polycystic ovary syndrome von Helden, Josef, Evliyaoglu, Osman, Küberl, Andreas, Weiskirchen, Ralf

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Analytical evaluation of the novel soluble fms-like tyrosine kinase 1 and placental growth factor assays for the diagnosis of preeclampsia von van Helden, Josef, Weiskirchen, Ralf

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Quantification of Short Chain Fatty Acids (acetate, butyrate, propionate) in human blood with ion exclusion chromatography von Bertges, Markus, van Helden, Josef, Weiskirchen, Ralf

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Lipocalin-2 in Fructose-Induced Fatty Liver Disease von Lambertz, Jessica, Berger, Thorsten, Mak, Tak W, van Helden, Josef, Weiskirchen, Ralf

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Manipulation of THC Hair Concentrations by Commercially Available Products von Bertges, Markus, Ketikidou, Alexandra, Weiskirchen, Ralf, van Helden, Josef, Boehnke, Rudolf, Hess, Cornelius

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Wilson disease - the impact of hyperimmunity on disease activity: A case report von Stremmel, Wolfgang, Longerich, Thomas, Liere, René, Vacata, Vladimir, van Helden, Josef, Weiskirchen, Ralf

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Performance of the two new fully automated anti-Müllerian hormone immunoassays compared with the clinical standard assay von van Helden, Josef, Weiskirchen, Ralf

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Deletion of Perilipin 5 Protects Against Hepatic Injury in Nonalcoholic Fatty Liver Disease via Missing Inflammasome Activation von Asimakopoulou, Anastasia, Engel, Kathrin M, Gassler, Nikolaus, Bracht, Thilo, Sitek, Barbara, Buhl, Eva M, Kalampoka, Stavroula, Pinoé-Schmidt, Manuela, van Helden, Josef, Schiller, Jürgen, Weiskirchen, Ralf

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Perilipin 5 deletion protects against nonalcoholic fatty liver disease and hepatocellular carcinoma by modulating lipid metabolism and inflammatory responses von Mass-Sanchez, Paola Berenice, Krizanac, Marinela, Štancl, Paula, Leopold, Marvin, Engel, Kathrin M., Buhl, Eva Miriam, van Helden, Josef, Gassler, Nikolaus, Schiller, Jürgen, Karlić, Rosa, Möckel, Diana, Lammers, Twan, Meurer, Steffen K., Weiskirchen, Ralf, Asimakopoulos, Anastasia

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Multicenter evaluation of the elecsys® anti-HCV II assay for the diagnosis of hepatitis C virus infection von Esteban, Juan I., van Helden, Josef, Alborino, Flora, Bürgisser, Philippe, Cellerai, Cristina, Pantaleo, Giuseppe, Eiras, Adolfo, Rodriguez, Maria I., Ghisetti, Valeria, Gleich, Michael, Imdahl, Roland, Kaiser, Claudia, Möller, Petra, Wetlitzky, Olaf, Segovia, Manuel, Schennach, Harald, Mühlbacher, Annelies

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Clinical value of the first automated TSH receptor autoantibody assay for the diagnosis of Graves' disease (GD): an international multicentre trial von Schott, Matthias, Hermsen, Derik, Broecker-Preuss, Martina, Casati, Marco, Mas, Jordi Camara, Eckstein, Anja, Gassner, Dieter, Golla, Ruth, Graeber, Claudia, Van Helden, Josef, Inomata, Keiko, Jarausch, Jochen, Kratzsch, Jürgen, Miyazaki, Naoko, Moreno, Miguel Angel Navarro, Murakami, Tsukasa, Roth, Heinz Jürgen, Stock, Werner, Noh, Jaeduk Yoshimura, Scherbaum, Werner A., Mann, Klaus

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Cross-method comparison of serum androstenedione measurement with respect to the validation of a new fully automated chemiluminescence immunoassay von van Helden, Josef, Weiskirchen, Ralf

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Experience with the first fully automated chemiluminescence immunoassay for the quantification of 1α, 25-dihydroxy-vitamin D von van Helden, Josef, Weiskirchen, Ralf

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Performance of the two new fully automated anti-Muellerian hormone immunoassays compared with the clinical standard assay von van Helden, Josef, Weiskirchen, Ralf

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