Jorhem L.
Proper use of certified reference materials?
Accred Qual Assur. 2004;9(8):507-508.
Jorhem L.
Certified reference materials as a quality tool in food control: much used - often misused - sometimes abused.
Accred Qual Assur. 2004;9(6):305-310.
Jorhem L, Engman J, Schroder T.
Evaluation of results derived from the analysis of certified reference materials: a user-friendly approach based on simplicity.
Fresenius J Anal Chem 2001;370(2-3):178-82.
Abstract from PubMed
Jorhem L.
Traceability and its role in interlaboratory comparisons (proficiency testing programmes), modeled on trace element determination in biological materials
Accred Qual Assur 2000;5(10-11):449-50.
Jorhem L.
Non-use and misinterpretation of CRMs. Can the situation be improved?
Fresen J Anal Chem 1998;360(3-4):370-3.
Rosengren A, Heneryd AC.
Proficiency testing schemes - their role in quality assurance.
Int J Food Microbiol 1998;45(1):55.
Abstract from PubMed
Olsen M, Andersson K, Akerstrand K.
Quality control of two rose bengal and modified DRBC and DG18 media.
Int J Food Microbiol 1997;35(2):163-8.
Abstract from PubMed