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hsajem hsajem
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6 years ago
Prospective and retrospective studies are both considered:
 
  A) experimental studies.
  B) longitudinal studies.
  C) clinical trials.
  D) correlational studies.
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tdclarktdclark
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6 years ago
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hsajem Author
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6 years ago
Good timing, thanks!
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
This site is awesome
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