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Journal of Clinical Microbiology, March 1999, p. 848-851, Vol. 37, No. 3
Department of Medicine and Department of
Pathology and Laboratory Medicine, Boston University School of
Medicine and Boston Medical Center, Boston, Massachusetts
Received 7 May 1998/Returned for modification 17 November
1998/Accepted 25 November 1998
Since it is not possible to state with certainty that contamination
has occurred during a nucleic acid amplification assay in the absence
of a positive result for a negative control, methods of elementary
probability theory are used to illustrate how to identify those runs in
which the possibility of contamination should be considered. The use of
binomial and Poisson distributions and an analysis of clusters are
presented with illustrative examples to demonstrate their use.
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Quality Control in Nucleic Acid Amplification
Methods: Use of Elementary Probability Theory
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Mailing address: Clinical Microbiology and Molecular
Diagnostics Laboratories, ENC H-406, Boston Medical Center, 88 East
Newton St., Boston, MA 02118. Phone: (617) 638-8705. Fax: (617)
638-7878. E-mail: dshapiro{at}bu.edu.
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