Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Https

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

234 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Characterization and classification of external quality assessment schemes (EQA) according to objectives such as evaluation of method and participant bias and standard deviation. External Quality Assessment (EQA) Working Group A on Analytical Goals in Laboratory Medicine.
Libeer JC, Baadenhuijsen H, Fraser CG, Petersen PH, Ricós C, Stöckl D, Thienpont L. Libeer JC, et al. Among authors: petersen ph. Eur J Clin Chem Clin Biochem. 1996 Aug;34(8):665-78. Eur J Clin Chem Clin Biochem. 1996. PMID: 8877346
The importance of imprecision.
Fraser CG, Petersen PH. Fraser CG, et al. Among authors: petersen ph. Ann Clin Biochem. 1991 May;28 ( Pt 3):207-11. doi: 10.1177/000456329102800301. Ann Clin Biochem. 1991. PMID: 1872563 Review. No abstract available.
234 results