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.
Lippi G, Montagnana M, Giavarina D; Italian Society of Clinical Biochemistry and Clinical Molecular Biology; Italian Society of Laboratory Medicine; Italian Committee for Standardisation of Laboratory and Haematological Methods.Lippi G, et al.Clin Chem Lab Med. 2006;44(12):1491-4. doi: 10.1515/CCLM.2006.274.Clin Chem Lab Med. 2006.PMID: 17163828