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moonwolf moonwolf
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6 years ago
Observational studies can be conducted to infer causality.
 T or F?
Textbook 
Dental Public Health and Research: Contemporary Practice for the Dental Hygienist

Dental Public Health and Research: Contemporary Practice for the Dental Hygienist


Edition: 3rd
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iyeru42iyeru42
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6 years ago
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moonwolf Author
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6 years ago
Good timing, thanks!
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This site is awesome
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This helped my grade so much Perfect
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