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Clinical Chemistry and Laboratory Medicine (CCLM)

Published in Association with the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)

Editor-in-Chief: Plebani, Mario

Ed. by Gillery, Philippe / Lackner, Karl J. / Lippi, Giuseppe / Melichar, Bohuslav / Payne, Deborah A. / Schlattmann, Peter

IMPACT FACTOR 2017: 3.556

CiteScore 2017: 2.34

SCImago Journal Rank (SJR) 2017: 1.114
Source Normalized Impact per Paper (SNIP) 2017: 1.188

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Volume 56, Issue 6


Falsely elevated plasma testosterone concentrations in neonates: importance of LC-MS/MS measurements

Henrike M. Hamer / Martijn J.J. Finken
  • Department of Pediatric Endocrinology, VU University Medical Center, Amsterdam, The Netherlands
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Antonius E. van Herwaarden
  • Department of Laboratory Medicine, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA Nijmegen, The Netherlands
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Therina du Toit / Amanda C. Swart / Annemieke C. Heijboer
Published Online: 2018-01-08 | DOI: https://doi.org/10.1515/cclm-2017-1028


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    du Toit T, Bloem LM, Quanson JL, Ehlers R, Serafin AM, Swart AC. Profiling adrenal 11beta-hydroxyandrostenedione metabolites in prostate cancer cells, tissue and plasma: UPC2-MS/MS quantification of 11beta-hydroxytestosterone, 11keto-testosterone and 11keto-dihydrotestosterone. J Steroid Biochem Mol Biol 2017;166:54–67.PubMedCrossrefGoogle Scholar

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About the article

Corresponding author: Dr. Annemieke C. Heijboer, Department of Clinical Chemistry, VU Medical Centre, PO box 7057, 1007 MB Amsterdam, The Netherlands, Phone: 0031(0)20-4442640, Fax: 0031(0)20-4443895

Received: 2017-11-08

Accepted: 2017-12-11

Published Online: 2018-01-08

Published in Print: 2018-05-24

Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

Research funding: None declared.

Employment or leadership: None declared.

Honorarium: None declared.

Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.

Citation Information: Clinical Chemistry and Laboratory Medicine (CCLM), Volume 56, Issue 6, Pages e141–e143, ISSN (Online) 1437-4331, ISSN (Print) 1434-6621, DOI: https://doi.org/10.1515/cclm-2017-1028.

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