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.
Surbek DV, Holzgreve W.Surbek DV, et al. Among authors: holzgreve w.Ernst Schering Res Found Workshop. 2001;(33):115-22. doi: 10.1007/978-3-662-04469-8_8.Ernst Schering Res Found Workshop. 2001.PMID: 11105257Review.No abstract available.