Which of Bradford Hill's criteria must be met for an association to be considered causal? (Select all that apply)

Question

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The only absolute requirement is that the exposure must occur before the
outcome for an association to be causal.A causal association does not have to be strong
(A) although if it is it is easier to rule out bias and confounding as possible explanations;
it need not show a dose‐response (B) whereby the risk of disease increases (or
decreases) as the level of exposure increases; and while we would like a casual
association to be plausible (D) and the data to be consistent (E) it may simply be that we
do not currently have sufficient knowledge to explain why an association is causal and
that different studies give different results because of fundamental differences in their
design.

Which of Bradford Hill's Criteria Must Be Met for an Association