Showing 1 - 20 results of 822 for search '(( decrease and decrease and missing ) OR ( decrease covid decrease decrease after ))*', query time: 1.03s Refine Results
1
Published 2017
.... We investigated the association between iron levels in saliva in children and their caries experience...
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2
Published 2008
... to treat, missing values were replaced (last observation carried forward), and significance level was...
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3
Published 2008
... to treat, missing values were replaced (last observation carried forward), and significance level was...
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5
Published 2021
Subjects: ...COVID-19 virus disease...
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13
Published 2022
... School of Public Health, Lisbon, Portugal, for her assistance in planning and reviewing the statistical...
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