tinaworkman1999
tinaworkman1999 tinaworkman1999
  • 09-05-2017
  • Health
contestada

Which type of observational epidemiological study is considered to be most reliable?
cohort
clinical trial
case control
cross sectional

Respuesta :

jtcrabb jtcrabb
  • 09-05-2017
i am pretty sure it is clinical trial
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