An official website of the United States government
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.
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.
Welzel T, Samba SD, Klein R, van den Anker JN, Kuemmerle-Deschner JB.Welzel T, et al. Among authors: klein r.J Clin Med. 2021 Feb 5;10(4):605. doi: 10.3390/jcm10040605.J Clin Med. 2021.PMID: 33562758Free PMC article.
Hass HG, Klein R, Nehls O, Kaiser S.Hass HG, et al. Among authors: klein r.J Clin Gastroenterol. 2009 May-Jun;43(5):470-6. doi: 10.1097/MCG.0b013e318184a470.J Clin Gastroenterol. 2009.PMID: 19247202Clinical Trial.
Latus J, Klein R, Koetter I, Schwab M, Fritz P, Kimmel M, Alscher MD, Braun N.Latus J, et al. Among authors: klein r.PLoS One. 2013 Nov 11;8(11):e78856. doi: 10.1371/journal.pone.0078856. eCollection 2013.PLoS One. 2013.PMID: 24244376Free PMC article.Clinical Trial.
Klein R, Jackman S, Nelson J.Klein R, et al.Urology. 2024 May 2:S0090-4295(24)00336-4. doi: 10.1016/j.urology.2024.04.042. Online ahead of print.Urology. 2024.PMID: 38703953
Neururer SB, Klein R, Pfeifer B, Schiessling G, Schulc E, Messina C, Reiter K, Rzepka A, Kastner P.Neururer SB, et al. Among authors: klein r.Stud Health Technol Inform. 2024 Apr 26;313:135-140. doi: 10.3233/SHTI240025.Stud Health Technol Inform. 2024.PMID: 38682518
Aly FZ, Irhayyim A, Jordan R, Mukhtar F, Klein R.Aly FZ, et al. Among authors: klein r.Diagn Cytopathol. 2024 Apr 23. doi: 10.1002/dc.25327. Online ahead of print.Diagn Cytopathol. 2024.PMID: 38651180
Crozier D, Winans ND, Hoffmann L Jr, Patil NY, Klein PE, Klein RR, Rooney WL.Crozier D, et al. Among authors: klein rr.Plants (Basel). 2024 Mar 19;13(6):879. doi: 10.3390/plants13060879.Plants (Basel). 2024.PMID: 38592905Free PMC article.