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.
Kammerer T, Brettner F, Hilferink S, Hulde N, Klug F, Pagel JI, Karl A, Crispin A, Hofmann-Kiefer K, Conzen P, Rehm M.Kammerer T, et al. Among authors: karl a.Anesthesiology. 2018 Jan;128(1):67-78. doi: 10.1097/ALN.0000000000001927.Anesthesiology. 2018.PMID: 29064872Clinical Trial.
Karl A, Buchner A, Becker A, Staehler M, Seitz M, Khoder W, Schneevoigt B, Weninger E, Rittler P, Grimm T, Gratzke C, Stief C.Karl A, et al.J Urol. 2014 Feb;191(2):335-40. doi: 10.1016/j.juro.2013.08.019. Epub 2013 Aug 19.J Urol. 2014.PMID: 23968966Clinical Trial.
Kammerer T, Klug F, Schwarz M, Hilferink S, Zwissler B, von Dossow V, Karl A, Müller HH, Rehm M.Kammerer T, et al. Among authors: karl a.Trials. 2015 Aug 28;16:384. doi: 10.1186/s13063-015-0866-z.Trials. 2015.PMID: 26314293Free PMC article.Clinical Trial.
Ziegelmueller BK, Jokisch JF, Buchner A, Grimm T, Kretschmer A, Schulz GB, Stief C, Karl A.Ziegelmueller BK, et al. Among authors: karl a.Urol Int. 2020;104(1-2):55-61. doi: 10.1159/000504236. Epub 2019 Dec 4.Urol Int. 2020.PMID: 31801154Clinical Trial.
Gratzke C, Schlenker B, Seitz M, Karl A, Hermanek P, Lack N, Stief CG, Reich O.Gratzke C, et al. Among authors: karl a.J Urol. 2007 Apr;177(4):1419-22. doi: 10.1016/j.juro.2006.11.062.J Urol. 2007.PMID: 17382744
Staehler M, Haseke N, Stadler T, Bader M, Karl A, Becker A, Stief CG.Staehler M, et al. Among authors: karl a.BJU Int. 2008 Sep;102(6):684-7. doi: 10.1111/j.1464-410X.2008.07794.x. Epub 2008 May 26.BJU Int. 2008.PMID: 18510657
Gratzke C, Seitz M, Bayrle F, Schlenker B, Bastian PJ, Haseke N, Bader M, Tilki D, Roosen A, Karl A, Reich O, Khoder WY, Wyler S, Stief CG, Staehler M, Bachmann A.Gratzke C, et al. Among authors: karl a.BJU Int. 2009 Aug;104(4):470-5. doi: 10.1111/j.1464-410X.2009.08439.x. Epub 2009 Feb 23.BJU Int. 2009.PMID: 19239445
Karl A, Tritschler S, Hofmann S, Stief CG, Schindlbeck C.Karl A, et al.Eur J Med Res. 2009 Nov 3;14(11):487-90. doi: 10.1186/2047-783x-14-11-487.Eur J Med Res. 2009.PMID: 19948444Free PMC article.
Karl A, Seitz M, Staehler M, Becker A, Weninger E, Rittler P, Stief C.Karl A, et al.Urologe A. 2011 Sep;50(9):1072-5. doi: 10.1007/s00120-011-2652-1.Urologe A. 2011.PMID: 21800196German.