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Social & Preventive Medicine General a91f92a7

A study revealed that in a study group, intake of betacarotene decreases carcinoma of colon but it actually may be due to increased intake of dietary fibre. This is due to

A
Confoundging factor
B
Misclassification bias
C
Randomisation
D
Sampling error
High-Yield Explanation
No explanation provided.

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