Which of the following can be an observational study?
A) Community trial.
B) Cross-sectional.
C) Randomized controlled trial
D) Field trial.
Correct Answer:
Verified
Q181: Which of the following is the best
Q182: What is the best way to prevent
Q183: which of the following studies apply to
Q184: Health Promotion Action means EXCEPT?
A) Reorient health
Q185: Which of the following is an example
Q187: The following criteria are necessary to establish
Q188: Which of the following is true of
Q189: Primary health care is?
A) The first point
Q190: If a disease is endemic that means
Q191: In a case control study, the Odds
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