Pooling stool samples
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_
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72 x mean time to make one pool of 5
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72 x mean time to make one pool of 5 + 36 x mean time to make one pool of 10
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72 x mean time to make one pool of 5 + 36 x mean time to make one pool of 10 + 18 x mean time to make one pool of 20
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Preparing of KK smears
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+36 x mean time to prepare 10 KK thick smears
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+ 7.2. x mean time to prepare 10 KK thick smears
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+ 3.6 x mean time to prepare 10 KK thick smears
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+ 1.8 x mean time to prepare 10 KK thick smears
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Examining of KK smears
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+ Total time required to examine 360 KK thick smears of 360 individual stool samples
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+ Total time required to examine 72 KK thick smears of 72 pools of 5
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+ Total time required to examine 36 KK thick smears of 36 pools of 10
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+ Total time required to examine 18 KK thick smears of 18 pools
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