Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

317 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Determination of human reference values for serum total 1,25-dihydroxyvitamin D using an extensively validated 2D ID-UPLC-MS/MS method.
Dirks NF, Martens F, Vanderschueren D, Billen J, Pauwels S, Ackermans MT, Endert E, Heijer MD, Blankenstein MA, Heijboer AC. Dirks NF, et al. Among authors: blankenstein ma. J Steroid Biochem Mol Biol. 2016 Nov;164:127-133. doi: 10.1016/j.jsbmb.2015.12.003. Epub 2015 Dec 10. J Steroid Biochem Mol Biol. 2016. PMID: 26690787
Simultaneous measurement of testosterone, androstenedione and dehydroepiandrosterone (DHEA) in serum and plasma using Isotope-Dilution 2-Dimension Ultra High Performance Liquid-Chromatography Tandem Mass Spectrometry (ID-LC-MS/MS).
Büttler RM, Martens F, Kushnir MM, Ackermans MT, Blankenstein MA, Heijboer AC. Büttler RM, et al. Among authors: blankenstein ma. Clin Chim Acta. 2015 Jan 1;438:157-9. doi: 10.1016/j.cca.2014.08.023. Epub 2014 Aug 27. Clin Chim Acta. 2015. PMID: 25172041
Comparison of eight routine unpublished LC-MS/MS methods for the simultaneous measurement of testosterone and androstenedione in serum.
Büttler RM, Martens F, Ackermans MT, Davison AS, van Herwaarden AE, Kortz L, Krabbe JG, Lentjes EG, Syme C, Webster R, Blankenstein MA, Heijboer AC. Büttler RM, et al. Among authors: blankenstein ma. Clin Chim Acta. 2016 Feb 15;454:112-8. doi: 10.1016/j.cca.2016.01.002. Epub 2016 Jan 8. Clin Chim Acta. 2016. PMID: 26778410
Serum testosterone levels measured by isotope dilution-liquid chromatography-tandem mass spectrometry in postmenopausal women versus those in women who underwent bilateral oophorectomy.
Bui HN, Struys EA, Martens F, de Ronde W, Thienpont LM, Kenemans P, Verhoeven MO, Jakobs C, Dijstelbloem HM, Blankenstein MA. Bui HN, et al. Among authors: blankenstein ma. Ann Clin Biochem. 2010 May;47(Pt 3):248-52. doi: 10.1258/acb.2010.009171. Epub 2010 Apr 20. Ann Clin Biochem. 2010. PMID: 20406776
317 results