Samples, sample selection, and statistics: living with uncertainty |
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Authors: | Clifford C B Clifford C |
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Institution: | Charles River Laboratories, 251 Ballardvale St., Wilmington, MA 01887, USA. cclifford@criver.com |
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Abstract: | The author explains how to determine how many animals in a population need to be sampled when monitoring for pathogens. He concludes that even with perfect testing programs, there is always a chance that an infected animal will be missed. |
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