144. A cohort study on the effects of radiation exposure on cancer incidence is being conducted. What critical logistical challenge is often faced in such a study?
A.
Identifying enough cases.
B.
Long follow-up periods and potential loss to follow-up.
✓
C.
Controlling for confounding.
D.
High cost of collecting exposure data.
📖 Additional Information
Identifying enough cases.
Long follow-up periods and potential loss to follow-up.
