Michael A. Noble. Developments in external quality assessment for clinical
microbiology laboratories. Accreditation and Quality Assurance: Journal for
Quality, Comparability and Reliability in Chemical Measurement, Volume 9,
Number 10(September 2004), pp. 601-604,
<http://ejournals.ebsco.com/direct.asp?ArticleID=8QF2K49KQQX13D3FTM2M>


Nick Boley. Uses and abuses of PT. Accreditation and Quality Assurance:
Journal for Quality, Comparability and Reliability in Chemical Measurement,
Volume 9, Number 10(September 2004), pp. 633-634,
<http://ejournals.ebsco.com/direct.asp?ArticleID=2CXNL01KEE4NT856999J>

Brian Brookman, Ioannis Papadakis, Alan Squirrell, Steve Evans, Steve
Ellison, Ulf Örnemark, Nick Boley, Anita Schmidt, Ellen van Berkel, Barry
Tylee, Mike Noble, Michael Koch, Dan Tholen. Proficiency testing in
analytical chemistry, microbiology and laboratory medicine: working group
discussions on current practice and future directions. Accreditation and
Quality Assurance: Journal for Quality, Comparability and Reliability in
Chemical Measurement, Volume 9, Number 10(September 2004), pp. 635-641,
<http://ejournals.ebsco.com/direct.asp?ArticleID=7D59YEBABF6UCHMX2NUL>