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Development of a liquid chromatography mass spectrometry method for the determination of vitamin K1, menaquinone-4, menaquinone-7 and vitamin K1-2,3 epoxide in serum of individuals without vitamin K supplements.
Meinitzer A, Enko D, Zelzer S, Prüller F, Alonso N, Fritz-Petrin E, Herrmann M. Meinitzer A, et al. Among authors: fritz petrin e. Clin Chem Lab Med. 2022 Apr 18;60(7):1011-1019. doi: 10.1515/cclm-2022-0192. Print 2022 Jun 27. Clin Chem Lab Med. 2022. PMID: 35427444
The impact of folate and vitamin B12 status on cognitive function and brain atrophy in healthy elderly and demented Austrians, a retrospective cohort study.
Rabensteiner J, Hofer E, Fauler G, Fritz-Petrin E, Benke T, Dal-Bianco P, Ransmayr G, Schmidt R, Herrmann M. Rabensteiner J, et al. Among authors: fritz petrin e. Aging (Albany NY). 2020 Jul 24;12(15):15478-15491. doi: 10.18632/aging.103714. Epub 2020 Jul 24. Aging (Albany NY). 2020. PMID: 32706338 Free PMC article.