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.
Perathoner A, Klaus A, Mühlmann G, Oberwalder M, Margreiter R, Kafka-Ritsch R.Perathoner A, et al. Among authors: klaus a.Int J Colorectal Dis. 2010 Jun;25(6):767-74. doi: 10.1007/s00384-010-0887-8. Epub 2010 Feb 11.Int J Colorectal Dis. 2010.PMID: 20148255Clinical Trial.
Zitt M, Mühlmann G, Weiss H, Kafka-Ritsch R, Oberwalder M, Kirchmayr W, Margreiter R, Ofner D, Klaus A.Zitt M, et al. Among authors: klaus a.Langenbecks Arch Surg. 2006 Aug;391(4):369-75. doi: 10.1007/s00423-006-0045-5. Epub 2006 May 6.Langenbecks Arch Surg. 2006.PMID: 16680479
Klaus A, Mühlmann GM, Laimer E.Klaus A, et al.Asian J Endosc Surg. 2011 May;4(2):59-62. doi: 10.1111/j.1758-5910.2011.00077.x. Epub 2011 Mar 17.Asian J Endosc Surg. 2011.PMID: 22776222Review.
Ammann K, Kirchmayr W, Klaus A, Mühlmann G, Kafka R, Oberwalder M, De Vries A, Ofner D, Weiss H.Ammann K, et al. Among authors: klaus a.Arch Surg. 2003 Mar;138(3):257-61. doi: 10.1001/archsurg.138.3.257.Arch Surg. 2003.PMID: 12611569
Mühlmann G, Klaus A, Kirchmayr W, Wykypiel H, Unger A, Höller E, Nehoda H, Aigner F, Weiss HG.Mühlmann G, et al. Among authors: klaus a.Obes Surg. 2003 Dec;13(6):848-54. doi: 10.1381/096089203322618632.Obes Surg. 2003.PMID: 14738668
Haidu M, Dobrozemsky G, Schullian P, Widmann G, Klaus A, Weiss H, Margreiter R, Bale R.Haidu M, et al. Among authors: klaus a.Cardiovasc Intervent Radiol. 2012 Oct;35(5):1074-82. doi: 10.1007/s00270-011-0288-6. Epub 2011 Oct 18.Cardiovasc Intervent Radiol. 2012.PMID: 22006031