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

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2003 2
2009 1
2014 1
2018 1
2020 1
2021 3
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

9 results

Results by year

Filters applied: . Clear all
Page 1
The c-MYC protooncogene expression in cholesteatoma.
Palkó E, Póliska S, Csákányi Z, Katona G, Karosi T, Helfferich F, Penyige A, Sziklai I. Palkó E, et al. Among authors: helfferich f. Biomed Res Int. 2014;2014:639896. doi: 10.1155/2014/639896. Epub 2014 Feb 10. Biomed Res Int. 2014. PMID: 24683550 Free PMC article.
Neutrophil-To-Lymphocyte and Platelet-To-Lymphocyte Ratios as Prognostic Markers of Survival in Patients with Head and Neck Tumours-Results of a Retrospective Multicentric Study.
Szilasi Z, Jósa V, Zrubka Z, Mezei T, Vass T, Merkel K, Helfferich F, Baranyai Z. Szilasi Z, et al. Among authors: helfferich f. Int J Environ Res Public Health. 2020 Mar 7;17(5):1742. doi: 10.3390/ijerph17051742. Int J Environ Res Public Health. 2020. PMID: 32155982 Free PMC article.
Comparative study of the effect of bilastine and cetirizine on cognitive functions at ground level and at an altitude of 4,000 m simulated in hypobaric chamber: a randomized, double-blind, placebo-controlled, cross-over study.
Reményi Á, Grósz A, Szabó SA, Tótka Z, Molnár D, Helfferich F. Reményi Á, et al. Among authors: helfferich f. Expert Opin Drug Saf. 2018 Sep;17(9):859-868. doi: 10.1080/14740338.2018.1502268. Epub 2018 Jul 26. Expert Opin Drug Saf. 2018. PMID: 30032673 Clinical Trial.