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On a negative result, how should the 500 required epithelial cells be counted?

April 26, 2017cells epithelial negative

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On a negative result, how should the 500 required epithelial cells be counted?

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An average of one epithelial cell per microscopic field with the 20X objective must be identified. A quick reading of the slide on clear background must be performed to view about 30 microscopic fields on the specimen.