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.
Colling M, Wolfram G.Colling M, et al. Among authors: wolfram g.Z Ernahrungswiss. 1987 Dec;26(4):214-8. doi: 10.1007/BF02023809.Z Ernahrungswiss. 1987.PMID: 2449775German.
Colling M, Wolfram G.Colling M, et al. Among authors: wolfram g.Z Ernahrungswiss. 1987 Sep;26(3):171-8. doi: 10.1007/BF02039139.Z Ernahrungswiss. 1987.PMID: 2446437German.
Colling M, Weggemann S, Döring A, Keil U, Wolfram G.Colling M, et al. Among authors: wolfram g.Offentl Gesundheitswes. 1989 Feb;51(2):94-7.Offentl Gesundheitswes. 1989.PMID: 2524694German.