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.
Koletzko S, Konstantopoulos N, Bosman D, Feydt-Schmidt A, van der Ende A, Kalach N, Raymond J, Rüssmann H.Koletzko S, et al. Among authors: russmann h.Gut. 2003 Jun;52(6):804-6. doi: 10.1136/gut.52.6.804.Gut. 2003.PMID: 12740334Free PMC article.