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.
Clark WF, Parbtani A, Naylor CD, Levinton CM, Muirhead N, Spanner E, Huff MW, Philbrick DJ, Holub BJ.Clark WF, et al. Among authors: levinton cm.Kidney Int. 1993 Jul;44(1):75-86. doi: 10.1038/ki.1993.215.Kidney Int. 1993.PMID: 8355469Free article.Clinical Trial.
Hux JE, Levinton CM, Naylor CD.Hux JE, et al. Among authors: levinton cm.J Gen Intern Med. 1994 Apr;9(4):195-201. doi: 10.1007/BF02600123.J Gen Intern Med. 1994.PMID: 8014724Clinical Trial.