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.
Koliopanos A, Friess H, Kleeff J, Roggo A, Zimmermann A, Büchler MW.Koliopanos A, et al. Among authors: roggo a.Digestion. 2001;64(4):240-7. doi: 10.1159/000048868.Digestion. 2001.PMID: 11842281
Anderson SE, Heini P, Sauvain MJ, Stauffer E, Geiger L, Johnston JO, Roggo A, Kalbermatten D, Steinbach LS.Anderson SE, et al. Among authors: roggo a.Skeletal Radiol. 2003 Jun;32(6):328-36. doi: 10.1007/s00256-002-0602-0. Epub 2003 Feb 21.Skeletal Radiol. 2003.PMID: 12761599Free article.